Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 87 − 58 by rounding each number to the nearest 10: ______
- Estimate 32 − 37 by rounding each number to the nearest 10: ______
- Estimate 65 − 38 by rounding each number to the nearest 10: ______
- Estimate 27 − 40 by rounding each number to the nearest 10: ______
- Estimate 69 − 64 by rounding each number to the nearest 10: ______
- Estimate 44 + 31 by rounding each number to the nearest 10: ______
- Estimate 67 + 74 by rounding each number to the nearest 10: ______
- Estimate 33 − 52 by rounding each number to the nearest 10: ______
- Estimate 67 − 55 by rounding each number to the nearest 10: ______
- Estimate 67 + 88 by rounding each number to the nearest 10: ______
- Estimate 79 + 58 by rounding each number to the nearest 10: ______
- Estimate 83 − 47 by rounding each number to the nearest 10: ______
- Estimate 76 − 43 by rounding each number to the nearest 10: ______
- Estimate 57 − 50 by rounding each number to the nearest 10: ______
- Estimate 85 − 53 by rounding each number to the nearest 10: ______
- Estimate 46 + 48 by rounding each number to the nearest 10: ______
- Estimate 62 + 80 by rounding each number to the nearest 10: ______
- Estimate 51 − 53 by rounding each number to the nearest 10: ______
- Estimate 50 + 87 by rounding each number to the nearest 10: ______
- Estimate 30 − 87 by rounding each number to the nearest 10: ______