Worksheet: Estimating Decimals Differences

In this worksheet, we will practice on estimating the difference of two decimal numbers up to hundredth using rounding or benchmarks, and we will demonstrate how this can be used to solve problems in the real world.

Q1:

Consider this subtraction problem.

Estimate the difference by rounding each number to the nearest whole number.

Calculate the difference.

Check that your answer is reasonable using your estimate.