Review Estimation and Mental Math

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(There are 17 lessons in this review.)

Rounding Numbers: Practice

Round the number to the nearest ten.

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Rounding Numbers: Practice

Round the number to the nearest hundred.

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Rounding Numbers: Practice

Round the number to the nearest thousand.

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Rounding Numbers: Practice

Round to the nearest ten-thousand.

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Rounding Numbers: Practice

Round to the nearest hundred-thousand.

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Round Decimals: Practice

Round to the nearest tenth.

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Round Decimals: Practice

Round to the nearest hundredth.

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Round Decimals: Practice

Round to the indicated precision.

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to the nearest

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Estimating with Rounding: Practice

Estimate the sum by rounding the two numbers.

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+ =

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Estimating with Rounding: Practice

Estimate the difference by rounding the two numbers.

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- =

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Add with Front-End Estimation: Practice

Estimate the sum using Front-End Estimation

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+ is about

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Subtract with Front-End Estimation: Practice

Estimate the difference using Front-End Estimation

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- is about

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Estimating with Rounding: Practice

Estimate the sum by rounding the two numbers.

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+ =

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Estimating with Rounding: Practice

Estimate the difference by rounding the two numbers.

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- =

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Nearest Hour: Practice

What is the time to the nearest hour?

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Nearest Half Hours: Practice

What is the time to the nearest half hour?

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Nearest Quarter Hour: Practice

What is the time to the nearest quarter hour?

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Hour:
Minutes:
Time=

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