Estimating Sums and Differences of 2-digit Numbers

Worksheets for rounding and estimating sums and differences of 2-digit whole numbers. There are 10 problems per page.

The file includes 4 worksheets, plus the answer key.

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

Perfect for introducing the concept in the classroom and practice as homework or student test reviews.