Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 46 + 62 by rounding each number to the nearest 10: ______
- Estimate 52 + 54 by rounding each number to the nearest 10: ______
- Estimate 77 − 83 by rounding each number to the nearest 10: ______
- Estimate 64 − 55 by rounding each number to the nearest 10: ______
- Estimate 53 + 23 by rounding each number to the nearest 10: ______
- Estimate 64 − 72 by rounding each number to the nearest 10: ______
- Estimate 49 + 76 by rounding each number to the nearest 10: ______
- Estimate 38 − 49 by rounding each number to the nearest 10: ______
- Estimate 40 − 48 by rounding each number to the nearest 10: ______
- Estimate 81 + 53 by rounding each number to the nearest 10: ______
- Estimate 53 − 88 by rounding each number to the nearest 10: ______
- Estimate 56 + 71 by rounding each number to the nearest 10: ______
- Estimate 40 − 34 by rounding each number to the nearest 10: ______
- Estimate 83 + 34 by rounding each number to the nearest 10: ______
- Estimate 80 − 37 by rounding each number to the nearest 10: ______
- Estimate 33 − 37 by rounding each number to the nearest 10: ______
- Estimate 60 − 85 by rounding each number to the nearest 10: ______
- Estimate 39 + 22 by rounding each number to the nearest 10: ______
- Estimate 53 + 27 by rounding each number to the nearest 10: ______
- Estimate 61 + 21 by rounding each number to the nearest 10: ______