Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 61 + 88 by rounding each number to the nearest 10: ______
- Estimate 73 + 81 by rounding each number to the nearest 10: ______
- Estimate 77 + 65 by rounding each number to the nearest 10: ______
- Estimate 27 − 85 by rounding each number to the nearest 10: ______
- Estimate 75 + 60 by rounding each number to the nearest 10: ______
- Estimate 84 − 31 by rounding each number to the nearest 10: ______
- Estimate 57 − 41 by rounding each number to the nearest 10: ______
- Estimate 58 − 80 by rounding each number to the nearest 10: ______
- Estimate 25 + 26 by rounding each number to the nearest 10: ______
- Estimate 25 + 52 by rounding each number to the nearest 10: ______
- Estimate 61 + 65 by rounding each number to the nearest 10: ______
- Estimate 79 + 37 by rounding each number to the nearest 10: ______
- Estimate 39 + 75 by rounding each number to the nearest 10: ______
- Estimate 73 + 46 by rounding each number to the nearest 10: ______
- Estimate 64 + 88 by rounding each number to the nearest 10: ______
- Estimate 44 − 74 by rounding each number to the nearest 10: ______
- Estimate 61 + 72 by rounding each number to the nearest 10: ______
- Estimate 30 + 75 by rounding each number to the nearest 10: ______
- Estimate 74 + 79 by rounding each number to the nearest 10: ______
- Estimate 60 − 54 by rounding each number to the nearest 10: ______