Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 55 + 62 by rounding each number to the nearest 10: ______
- Estimate 36 − 58 by rounding each number to the nearest 10: ______
- Estimate 32 − 72 by rounding each number to the nearest 10: ______
- Estimate 53 − 29 by rounding each number to the nearest 10: ______
- Estimate 51 + 85 by rounding each number to the nearest 10: ______
- Estimate 66 + 41 by rounding each number to the nearest 10: ______
- Estimate 39 − 64 by rounding each number to the nearest 10: ______
- Estimate 53 − 49 by rounding each number to the nearest 10: ______
- Estimate 60 + 64 by rounding each number to the nearest 10: ______
- Estimate 36 + 76 by rounding each number to the nearest 10: ______
- Estimate 80 + 27 by rounding each number to the nearest 10: ______
- Estimate 52 − 84 by rounding each number to the nearest 10: ______
- Estimate 70 + 59 by rounding each number to the nearest 10: ______
- Estimate 61 + 21 by rounding each number to the nearest 10: ______
- Estimate 52 − 62 by rounding each number to the nearest 10: ______
- Estimate 74 − 87 by rounding each number to the nearest 10: ______
- Estimate 65 + 56 by rounding each number to the nearest 10: ______
- Estimate 77 − 69 by rounding each number to the nearest 10: ______
- Estimate 53 + 55 by rounding each number to the nearest 10: ______
- Estimate 38 + 81 by rounding each number to the nearest 10: ______