Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 70 − 44 by rounding each number to the nearest 10: ______
- Estimate 33 + 31 by rounding each number to the nearest 10: ______
- Estimate 73 − 68 by rounding each number to the nearest 10: ______
- Estimate 74 − 81 by rounding each number to the nearest 10: ______
- Estimate 37 + 47 by rounding each number to the nearest 10: ______
- Estimate 57 + 68 by rounding each number to the nearest 10: ______
- Estimate 76 + 43 by rounding each number to the nearest 10: ______
- Estimate 87 − 74 by rounding each number to the nearest 10: ______
- Estimate 70 + 84 by rounding each number to the nearest 10: ______
- Estimate 24 + 44 by rounding each number to the nearest 10: ______
- Estimate 47 − 88 by rounding each number to the nearest 10: ______
- Estimate 31 − 29 by rounding each number to the nearest 10: ______
- Estimate 58 − 63 by rounding each number to the nearest 10: ______
- Estimate 31 + 54 by rounding each number to the nearest 10: ______
- Estimate 24 + 62 by rounding each number to the nearest 10: ______
- Estimate 48 + 51 by rounding each number to the nearest 10: ______
- Estimate 36 + 32 by rounding each number to the nearest 10: ______
- Estimate 61 + 71 by rounding each number to the nearest 10: ______
- Estimate 85 − 70 by rounding each number to the nearest 10: ______
- Estimate 49 − 45 by rounding each number to the nearest 10: ______