Review Eighth Grade

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(There are 236 lessons in this review.)

Compare 6-Digit Numbers: Practice

00:00

Press the Start Button To Begin

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Ordering Numbers: Practice

Place the Numbers In Ascending or Descending Order

00:00

Where does the number go?

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Compare Numbers Through Millions: Practice

00:00

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Ordering Numbers: Practice

Place the Numbers In Ascending or Descending Order

00:00

Where does the number go?

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Compare Integers: Practice

00:00

Press the Start Button To Begin

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Ordering Decimals: Practice

Place the Numbers In Ascending or Descending Order

00:00

Where does the number go?

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Compare Integers: Practice

00:00

Press the Start Button To Begin

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Compare Integers: Practice

00:00

Press the Start Button To Begin

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Compare Integers: Practice

00:00

Press the Start Button To Begin

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Adding Sentences: Practice

What number would complete the equation?

00:00

+ =

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Adding Four-Digit Numbers: Practice

What is the Sum of the two Numbers?

00:00

+

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Adding Sentences: Practice

What number would complete the equation?

00:00

+ =

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Adding Five-Digit Numbers: Practice

What is the Sum of the two Numbers?

00:00

+

Press the Start Button To Begin

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Adding Sentences: Practice

What number would complete the equation?

00:00

+ =

Press the Start Button To Begin

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Adding Six-Digit Numbers: Practice

What is the Sum of the two Numbers?

00:00

+

Press the Start Button To Begin

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Adding Sentences: Practice

What number would complete the equation?

00:00

+ =

Press the Start Button To Begin

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Adding Seven-Digit Numbers: Practice

What is the Sum of the two Numbers?

00:00

+

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Subtract: Practice

What is the difference?

00:00

- =

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Subtraction Sentences: Practice

What number would complete the equation?

00:00

- =

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Subtract: Practice

What is the difference?

00:00

- =

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Subtraction Sentences: Practice

What number would complete the equation?

00:00

- =

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Subtract: Practice

What is the difference?

00:00

- =

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Multiplication: Practice

What is the product of the two numbers?

00:00

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Multiplication: Practice

What is the product of the two numbers?

00:00

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Multiplication: Practice

What is the product of the two numbers?

00:00

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Adding Three 1-Digit Numbers: Practice

What is the Sum of the three Numbers?

00:00

* * =

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Multiplication: Practice

What is the product of the two numbers?

00:00

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Multiplication: Practice

What is the product of the two numbers?

00:00

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Multiplication: Practice

What is the product of the two numbers?

00:00

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Multiplication: Practice

What is the product of the two numbers?

00:00

Press the Start Button To Begin

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Multiplication: Practice

What is the product of the two numbers?

00:00

Press the Start Button To Begin

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Multiplication Sentences: Practice

What number would complete the equation?

00:00

* =

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Multiplication Sentences: Practice

What number would complete the equation?

00:00

* =

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Dividing Without Remainder: Practice

What is the quotient?

00:00

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Dividing Without Remainder: Practice

What is the quotient?

00:00

R

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Dividing Without Remainder: Practice

What is the quotient?

00:00

R

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Dividing Without Remainder: Practice

What is the quotient?

00:00

R

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Dividing Without Remainder: Practice

What is the quotient?

00:00

R

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Dividing Without Remainder: Practice

What is the quotient?

00:00

R

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Dividing With Remainder: Practice

What is the quotient?

00:00

R

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Dividing With Remainder: Practice

What is the quotient?

00:00

R

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Division Sentences: Practice

What number would complete the equation?

00:00

÷ =

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Division Sentences: Practice

What number would complete the equation?

00:00

÷ xx = xx

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Divisibility: Practice

Is it divisible?

00:00

Is the number divisible by the number ?

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Factors: Practice

What is a factor of the number?

00:00

A factor (other than 1 and itself) of is

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Prime or Composite: Practice

Identify whether the number is prime or composite.

00:00

Is the number prime or composite?

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GCF: Practice

What is the GCF of the two numbers?

00:00

The GCF of and is:

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LCM: Practice

What is the LCM of the two numbers?

00:00

The LCM of and is:

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Reciprocals: Practice

Find the reciprocal.

00:00

Express your answer as a single fraction or a whole number.

The reciprocal of is

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Multiply Mixed Numbers: Practice

Find the product.

00:00

*
=

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Divide Mixed Numbers: Practice

Find the quotient.

00:00

÷
=

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Add Decimals: Practice

What is the sum?

00:00

+ + =

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Round Decimals: Practice

Round to the indicated precision.

00:00

to the nearest

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Estimating with Rounding: Practice

Estimate the sum by rounding the two numbers.

00:00

+ =

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Estimating with Rounding: Practice

Estimate the difference by rounding the two numbers.

00:00

- =

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Add Fractions: Practice

Add the fractions.

00:00

State the answer as a simplified fraction, and not a mixed number.

+
=

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Subtract Fractions: Practice

Subtract the fractions.

00:00

State the answer as a simplified fraction, and not a mixed number.

-
=

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You have 0 correct and 0 incorrect.

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Multiply Fractions: Practice

What is the product?

00:00

State the answer as a simplified fraction, and not a mixed number.

*
=

Press the Start Button To Begin

You have 0 correct and 0 incorrect.

This is 0 percent correct.

Multiply Fractions: Practice

What is the product?

00:00

State the answer as a simplified fraction, and not a mixed number.

*
=

Press the Start Button To Begin

You have 0 correct and 0 incorrect.

This is 0 percent correct.

Divide Fractions: Practice

What is the quotient?

00:00

State the answer as a simplified fraction, and not a mixed number.

÷
=

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You have 0 correct and 0 incorrect.

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Divide Fractions: Practice

What is the quotient?

00:00

State the answer as a simplified fraction, and not a mixed number.

÷
=

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You have 0 correct and 0 incorrect.

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Divide Decimals: Practice

What is the quotient?

00:00

÷ =

Press the Start Button To Begin

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Divide Decimals: Practice

What is the quotient?

00:00

Round your answer to the nearest thousandth.

÷ =

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Compare Integers: Practice

00:00

Press the Start Button To Begin

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Compare Integers: Practice

00:00

Press the Start Button To Begin

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Fractions to Percents: Practice

What Percent Does the Fraction Represent?

00:00

Round your answer to the nearest whole number.

Convert X to a percent:
%

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Percents to Fractions: Practice

What Fraction does the Percent Represent?

00:00

Convert X% to a fraction:

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Decimals to Percents: Practice

What Percent Does the Decimal Represent?

00:00

Round your answer to the nearest whole number.

Convert X to a percent:
%

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Percents to Decimals: Practice

What Decimal Does the Percent Represent?

00:00

Convert X% to a decimal:

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Fractions to Decimals: Practice

What decimal Does the Fraction Represent?

00:00

Round your answer to the nearest hundredth.

Convert X to a decimal:

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Ratios: Practice

What is the number?

00:00

If A:B is : and =, then what is ?

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Ratios: Practice

What is the ratio?

00:00

Reduce your answer to lowest terms and use the format A:B.

What is the ratio of A to B if A= and B=?

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Proportions: Practice

What is the missing term?

00:00

Determine the value of x by cross-multiplying.

If
=
then x =

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Unit Rate: Practice

What is the missing term?

00:00

Determine the value as a unit rate.

meters
seconds
=
meters
1 second

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Properties of Addition: Practice

What property is illustrated?

00:00

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Properties of Multiplication: Practice

What property is illustrated?

00:00

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Order of Operations: Practice

Evaluate using proper order of operations.

00:00

=

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Order of Operations: Practice

Evaluate using proper order of operations.

00:00

=

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Estimating with Rounding: Practice

Estimate the sum by rounding the two numbers.

00:00

+ =

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Estimating with Rounding: Practice

Estimate the difference by rounding the two numbers.

00:00

- =

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Rounding Numbers: Practice

Round the number to the nearest thousand.

00:00

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Rounding Numbers: Practice

Round to the nearest ten-thousand.

00:00

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Rounding Numbers: Practice

Round to the nearest hundred-thousand.

00:00

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Add with Front-End Estimation: Practice

Estimate the sum using Front-End Estimation

00:00

+ is about

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Subtract with Front-End Estimation: Practice

Estimate the difference using Front-End Estimation

00:00

- is about

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Metric Units: Practice

Complete the statement.

00:00

is the for:

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Metric Units: Practice

Complete the statement.

00:00

is the for:

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Metric Symbols: Practice

Complete the statement.

00:00

uses the symbol:

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Metric Symbols: Practice

Complete the statement.

00:00

uses the symbol:

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Metric Values: Practice

Complete the statement.

00:00

is the for:

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Metric Values: Practice

Complete the statement.

00:00

is the for:

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Metric Place Values: Practice

Complete the statement.

00:00

is the metric for:

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Metric Place Values: Practice

Complete the statement.

00:00

is the metric for:


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Converting Temperature: Practice

Convert and round to the nearest degree.

00:00

°C = °F

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Converting Temperature: Practice

Convert and round to the nearest degree.

00:00

°C = °F

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Converting Temperature: Practice

Convert and round to the nearest degree.

00:00

°F = °C

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Converting Temperature: Practice

Convert and round to the nearest degree.

00:00

°F = °C

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Metric Mass: Practice

Convert the units.

00:00

How many s are in a ?

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Compare Metric Mass: Practice

00:00

s are a

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Add Pounds and Ounces: Practice

00:00

pounds and ounces
plus
pounds and ounces

pounds and

ounces

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Add Pounds and Ounces: Practice

00:00

pounds and ounces
minus
pounds and ounces

pounds and

ounces

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Multiply Pounds and Ounces: Practice

00:00

pounds and ounces
times

pounds and

ounces

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Divide Pounds and Ounces: Practice

00:00

pounds and ounces
divided by

pounds and

ounces

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Metric Volume: Practice

Convert the units.

00:00

How many s are in a ?

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Compare Metric Volume: Practice

00:00

s are a

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US Volume: Practice

Convert the units.

00:00

How many are in a ?


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Multiply Gallons, Quarts, and Pints: Practice

00:00

gallons, quarts, and pints
times

gallons,

quarts, and

pints

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Divide Gallons, Quarts, and Pints: Practice

00:00

gallons, quarts, and pints
divided by

gallons,

quarts, and

pints

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Metric Length: Practice

Convert the units.

00:00

How many s are in a ?

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Compare Metric Length: Practice

00:00

s are a

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US Length: Practice

Convert the units.

00:00

How many are in a ?

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US Length: Practice

Convert the units.

00:00

How many are in a ?

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Add Feet and Inches: Practice

00:00

feet and inches
plus
feet and inches

feet and

inches

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Add Feet and Inches: Practice

00:00

feet and inches
minus
feet and inches

feet and

inches

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Multiply Feet and Inches: Practice

00:00

feet and inches
times

feet and

inches

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Divide Feet and Inches: Practice

00:00

feet and inches
divided by

feet and

inches

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Convert Metric and US Units: Practice

Convert the measurements.

00:00

About how many are in ?

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Time Difference in Hours: Practice

The right clock is later than the left clock. How many hours later?

00:00

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Time Difference in Half Hours: Practice

The right clock is later than the left clock. How much later?

00:00

Hours:
Minutes:
0 hours and 0 minutes

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Time Difference in Quarter Hours: Practice

The right clock is later than the left clock. How much later?

00:00

Hours:
Minutes:
0 hours and 0 minutes

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Time Difference in 5-Minute Intervals: Practice

The right clock is later than the left clock. How much later?

00:00

Hours:
Minutes:

0 hours and 0 minutes

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Time Difference in Minutes: Practice

The right clock is later than the left clock. How much later?

00:00

Time Later = hours and

minutes

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Add Hours: Practice

What is the sum of the times?

00:00

hours past :00



0:00 AMPM

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Add Half Hours: Practice

What is the sum of the timse?

00:00

hours minutes past




0:00 AMPM

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Time Zones: Practice

Determine the correct Time

00:00

At :00 in time,
what is the time in time?

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Time Zones: Practice

Determine the correct Time

00:00

At :00 in time,
what is the time in time?

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Time Zones: Practice

Determine the correct Time

00:00

At :00 in time,
what is the time in time?

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Time Zones: Practice

Determine the correct Time

00:00

At :00 in time,
what is the time in time?

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Military Time: Practice

Convert to military time.

00:00

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Military Time: Practice

Convert to standard time.

00:00

hours


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Change Due: Practice

How much change is due from the purchase?

00:00

What is the amount of change due for
a $ charge and a $.00 payment?

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Change Due: Practice

Determine the fewest coins needed to make the correct change.

00:00

What is the amount of change due for
a $ charge and a $.00 payment?

X $10 bills
X $5 bills
X $1 bills
X Quarters
X Dimes
X Nickels
X Pennies

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Sales Tax: Practice

What is the sales tax?

00:00

Note: Your answer should begin with a dollar sign and be rounded to the nearest cent.

What is the sales tax amount if the rate is % and
you make a purchase of $?

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Sales Tax: Practice

What is the total with sales tax?

00:00

Note: Your answer should begin with a dollar sign and be rounded to the nearest cent.

What is the sales tax amount if the rate is % and
you make a purchase of $?

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Commission: Practice

What is the commission?

00:00

Note: Your answer should begin with a dollar sign and be rounded to the nearest cent.

What is your commission amount if the rate is % and
you make a sale of $?

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Discount Price: Practice

What is the discounted sale price?

00:00

Note: Your answer should begin with a dollar sign and be rounded to the nearest cent.

What is the discounted sale price of an item that originally cost $ but is now % off?

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Markup: Practice

What is total cost with markup?

00:00

Note: Your answer should begin with a dollar sign and be rounded to the nearest cent.

What is the total cost if the markup rate is % and
the original cost is $?

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Simple Interest: Practice

What is the simple interest?

00:00

Note: Your answer should begin with a dollar sign and be rounded to the nearest cent.

What is the interest for a loan of $ over years at a % interest rate?

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Simple Interest: Practice

What is the total paid?

00:00

Note: Your answer should begin with a dollar sign and be rounded to the nearest cent.

What is the total payback amount for a loan of $ over years at a % interest rate?

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Shipping and Handling: Practice

What is the shipping and handling charge?

00:00

Note: Your answer should begin with a dollar sign and be rounded to the nearest cent.

What is the shipping and handling charge for a $ order with a rate of % and a minimum charge of $.00?

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Total with Tip: Practice

What is the total with tax and tip?

00:00

Note: Your answer should begin with a dollar sign and be rounded to the nearest cent.

What is the total cost with tax and a 20% tip if a meal is
$ with a % tax rate?

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Estimate Tip: Practice

What is the estimated tip?

00:00

Note: Your answer should begin with a dollar sign and be rounded to the nearest cent.

What is the estimated tip for a
$ meal?

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Calculate the Unit Price: Practice

What is the unit price?

00:00

Note: Your answer should begin with a dollar sign and be rounded to the nearest cent.

What is the unit price if the total cost is for an item consisting of units?

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Total from Unit Price: Practice

What is the total cost?

00:00

Note: Your answer should begin with a dollar sign and be rounded to the nearest cent.

What is the total cost if the unit price is $ and you need to buy units?

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Triangles: Practice

What type of triangle is it?

00:00

Angle A is °
Angle B is °
Angle C is °

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Triangles: Practice

What type of triangle is it?

00:00

Side A is cm
Side B is cm
Side C is cm

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Polygons: Practice

How many sides or angles are in the polygon?

00:00

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Polygons: Practice

How many sides or angles are in the polygon?

00:00

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Find Unknown Angles: Practice

00:00

What is the unknown angle of a triangle whose known angles are
° and °?

°

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Find Unknown Angles: Practice

00:00

What is the unknown angle of a quadrilateral whose known angles are
°, °, and °?

°

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Complementary Angles: Practice

00:00

The complementary angle of ° is °

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Supplementary Angles: Practice

00:00

The supplementary angle of ° is °

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Complementary and Supplementary: Practice

Are the angles complementary, supplementary, or neither?

00:00

Angle A is °
Angle B is °

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Trig Terms: Practice

00:00

is the ratio of:



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Trig Terms: Practice

00:00

The ratio: is known as



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Perimeter: Practice

00:00

What is the perimeter of a square whose side lengths are all feet?

feet

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Perimeter: Practice

00:00

What is the perimeter of a rectangle whose side lengths are feet and feet?

feet

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Perimeter: Practice

00:00

What is the perimeter of a parallelogram whose side lengths are feet and feet?

feet

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Perimeter: Practice

00:00

What is the circumference of a circle whose
is cm?

cm

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Area: Practice

00:00

What is the area of a square whose side length is cm?

cm2

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Area: Practice

00:00

What is the area of a rectangle whose
base length is cm
and
height length is cm?

cm2

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Area: Practice

00:00

What is the area of a parallelogram whose
base is cm
and
height is cm?

cm2

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Area: Practice

00:00

What is the area of a trapezoid with the measurements given?
Bases of cm and cm
Height of cm

cm2

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Area: Practice

00:00

What is the area of a triangle whose
base length is cm
and
height length is cm?

cm2

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Area: Practice

00:00

What is the area of a circle whose
is cm?

cm2

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Surface Area: Practice

00:00

What is the surface area of a cube whose side length is cm?

cm2

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Surface Area: Practice

00:00

What is the surface area of a prism whose side lengths are
cm, cm, and cm?

cm2

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Surface Area: Practice

Use 3.14 for pi.

00:00

What is the surface area of a cylinder whose
height = cm and
= cm?

cm2

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Volume: Practice

00:00

What is the volume of a cube whose side length is cm?

cm3

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Volume: Practice

00:00

What is the volume of a prism whose side lengths are
cm, cm, and cm?

cm3

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Volume: Practice

Use 3.14 for pi.

00:00

What is the volume of a cylinder whose
height = cm and
= cm?

cm3

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Volume: Practice

Use 3.14 for pi and round your answer to the nearest hundredth.

00:00

What is the volume of a sphere whose = cm?

cm3

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Volume: Practice

Use 3.14 for pi and round to the nearest hundredth.

00:00

What is the volume of a cone whose
height = cm and
= cm?

cm3

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Volume: Practice

Round to the nearest hundredth.

00:00

What is the volume of a rectangular pyramid whose
height = cm,
length = cm, and
width = cm?

cm3

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Absolute Value: Practice

00:00

What is the absolute value of the number?

|| =

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Compare Integers: Practice

00:00

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Add Integers: Practice

What is the sum of the two integers?

00:00

+ =

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Integer Addition Sentences: Practice

What number would complete the equation?

00:00

+ =

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Add Integers: Practice

What is the sum of the two integers?

00:00

+ =

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Integer Addition Sentences: Practice

What number would complete the equation?

00:00

+ =

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Add 3 Integers: Practice

What is the sum of the integers?

00:00

+ + =

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Integer Addition Sentences: Practice

What number would complete the equation?

00:00

+ =

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Integer Addition Sentences: Practice

What number would complete the equation?

00:00

+ =

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Integer Subtraction Sentences: Practice

What number would complete the equation?

00:00

- =

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Subtract Integers: Practice

What is the difference of the two integers?

00:00

- =

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Integer Subtraction Sentences: Practice

What number would complete the equation?

00:00

- =

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Integer Subtraction Sentences: Practice

What number would complete the equation?

00:00

- =

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Integer Subtraction Sentences: Practice

What number would complete the equation?

00:00

- =

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Multiply Integers: Practice

What is the product of the two integers?

00:00

* =

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Divide Integers: Practice

What is the quotient of the two integers?

00:00

÷ =

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Evaluate Expressions: Practice

Evaluate using the given value.

00:00

If x=, then

=

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Evaluate Expressions: Practice

Evaluate using the given value.

00:00

If x= and y=, then

=

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Equations: Practice

Solve for x by evaluting.

00:00

If x = ,

then x =

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Equations: Practice

Solve for x.

00:00

If ,

then x =

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Equations: Practice

Solve for x.

00:00

If ,

then x =

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Equations: Practice

Solve for x.

00:00

If ,

then x =

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Equations: Practice

Solve for x.

00:00

If ,

then x =

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Equations: Practice

Solve for x.

00:00

Note: click the inequality button to toggle the direction of the inequality.

If ,

then x

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Statistical Mean: Practice

Find the mean.

00:00

Round to the nearest whole number.

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Statistical Mean: Practice

Find the mean.

00:00

Round to the nearest whole number.

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Statistical Mode: Practice

Find the mode.

00:00

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Statistical Range: Practice

Find the range.

00:00

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Statistical Range: Practice

Find the range.

00:00

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Statistical Median: Practice

Find the median.

00:00

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Statistical Median: Practice

Find the median.

00:00

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Basic Counting Principle: Practice

Find the total possible outcomes.

00:00

Number of possible outcomes:

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Factorial: Practice

Find the value of the factorial.

00:00

! =

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Permutation: Practice

Find the number of permutations.

00:00

P(,) =

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Combination: Practice

Find the number of combinations.

00:00

C(,) =

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Simple Probability: Practice

Find the probability to the nearest hundredth.

00:00

Desired outcomes = ; Possible outcomes =

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Powers by Multiplication: Practice

Write the corresponding base and exponent.

00:00

=

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Squaring Numbers: Practice

Determine the value of the exponential expression.

00:00

=

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Squaring Numbers: Practice

Determine the value of the exponential expression.

00:00

=

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Cubing Numbers: Practice

Determine the value of the exponential expression.

00:00

=

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Evaluate Exponents: Practice

Determine the value of the exponential expression.

00:00

=

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Integer Exponents: Practice

Determine the value of the exponential expression.

00:00

=

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Scientific Notation: Practice

Write the number in scientific notation.

00:00

=

x10

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Scientific Notation: Practice

Write the number in standard form.

00:00

x10 =

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Compare Scientific Notation: Practice

00:00

x10

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Scientific Notation: Practice

Write the number in scientific notation.

00:00

=

x10

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Scientific Notation: Practice

Write the number in decimal form.

00:00

x10 =

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Scientific Notation: Practice

Write the number in scientific notation.

00:00

=

x10

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Scientific Notation: Practice

Multiply.

00:00

x10 * x10 =

x10

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Scientific Notation: Practice

Divide.

00:00

x10 ÷ x10 =

x10

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Find Pattern: Practice

Note: Look carefully at the sequence's direction.

00:00

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Find Pattern: Practice

Note: Look carefully at the sequence's direction.

00:00

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Find Pattern: Practice

Note: Look carefully at the sequence's direction.

00:00

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Find Missing Number: Practice

Note: Look carefully at the sequence's direction.

00:00

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Find Pattern: Practice

Note: Look carefully at the sequence's direction.

00:00

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Number Sets: Practice

Choose the most specific number set for the given number or definition.

00:00


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Variable Expressions Vocabulary: Practice

Choose the most specific term for the given clue or definition.

00:00


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Basic Axioms of Algebra: Practice

Choose the most specific term for the given clue or definition.

00:00


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Associative, Commutative, and Rearrangement Properties: Practice

What axiom or property is illustrated?

00:00

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Distributive, Identity, and Inverse Properties: Practice

What axiom or property is illustrated?

00:00

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Properties of Addition: Practice

What property is illustrated?

00:00

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Properties of Multiplication: Practice

What property is illustrated?

00:00

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