Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 55 − 60 by rounding each number to the nearest 10: ______
- Estimate 22 + 52 by rounding each number to the nearest 10: ______
- Estimate 58 + 60 by rounding each number to the nearest 10: ______
- Estimate 47 − 77 by rounding each number to the nearest 10: ______
- Estimate 84 + 29 by rounding each number to the nearest 10: ______
- Estimate 66 + 83 by rounding each number to the nearest 10: ______
- Estimate 36 + 63 by rounding each number to the nearest 10: ______
- Estimate 89 − 40 by rounding each number to the nearest 10: ______
- Estimate 29 − 51 by rounding each number to the nearest 10: ______
- Estimate 47 − 81 by rounding each number to the nearest 10: ______
- Estimate 38 + 50 by rounding each number to the nearest 10: ______
- Estimate 61 − 76 by rounding each number to the nearest 10: ______
- Estimate 70 − 29 by rounding each number to the nearest 10: ______
- Estimate 69 + 23 by rounding each number to the nearest 10: ______
- Estimate 36 − 22 by rounding each number to the nearest 10: ______
- Estimate 86 − 66 by rounding each number to the nearest 10: ______
- Estimate 63 − 31 by rounding each number to the nearest 10: ______
- Estimate 73 − 79 by rounding each number to the nearest 10: ______
- Estimate 29 − 52 by rounding each number to the nearest 10: ______
- Estimate 73 − 46 by rounding each number to the nearest 10: ______