## Estimate Difference of Decimals

### Estimate Decimal Difference with Rounding: Learn

How to Estimate a difference by rounding:

• Round each term that will be subtracted
• Subtract the rounded numbers

Example: Estimate the difference of 0.988 - 0.53

• Round 0.988 - 0.53 to be 1 - 0.5
• Subtract the rounded numbers to obtain the estimated difference of 0.5
• The actual difference of 0.988 + 0.53 is 0.458

Some uses of rounding:

• Checking to see if you have enough money to buy what you want
• Getting a rough idea of the correct answer to a problem

### Estimating with Rounding: Practice

#### Estimate the difference by rounding the two numbers.

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