Estimating Sum and Differences of 3 digit Whole Numbers

Worksheets for rounding and estimating sums and differences of 3-digit whole numbers. There are 10 problems per page.

In each problem, students will find the estimated and actual answer.

The file includes 4 worksheets, plus the answer key.

• 2 sheets of estimating sums
• 2 sheets of estimating differences

This packet is perfect for introducing the concept in the classroom, independent work, or can be used as homework.

Prerequisite for this packet: Rounding to the nearest tens and hundreds