Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 73 − 58 by rounding each number to the nearest 10: ______
- Estimate 81 − 73 by rounding each number to the nearest 10: ______
- Estimate 70 − 84 by rounding each number to the nearest 10: ______
- Estimate 86 − 69 by rounding each number to the nearest 10: ______
- Estimate 50 + 87 by rounding each number to the nearest 10: ______
- Estimate 79 + 81 by rounding each number to the nearest 10: ______
- Estimate 79 − 70 by rounding each number to the nearest 10: ______
- Estimate 82 + 24 by rounding each number to the nearest 10: ______
- Estimate 49 − 25 by rounding each number to the nearest 10: ______
- Estimate 28 − 51 by rounding each number to the nearest 10: ______
- Estimate 44 − 74 by rounding each number to the nearest 10: ______
- Estimate 36 + 45 by rounding each number to the nearest 10: ______
- Estimate 26 − 61 by rounding each number to the nearest 10: ______
- Estimate 47 − 70 by rounding each number to the nearest 10: ______
- Estimate 39 − 57 by rounding each number to the nearest 10: ______
- Estimate 87 + 32 by rounding each number to the nearest 10: ______
- Estimate 76 − 72 by rounding each number to the nearest 10: ______
- Estimate 71 + 36 by rounding each number to the nearest 10: ______
- Estimate 46 + 73 by rounding each number to the nearest 10: ______
- Estimate 77 − 38 by rounding each number to the nearest 10: ______