Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 70 + 76 by rounding each number to the nearest 10: ______
- Estimate 35 + 61 by rounding each number to the nearest 10: ______
- Estimate 75 + 54 by rounding each number to the nearest 10: ______
- Estimate 81 + 61 by rounding each number to the nearest 10: ______
- Estimate 36 + 39 by rounding each number to the nearest 10: ______
- Estimate 38 − 63 by rounding each number to the nearest 10: ______
- Estimate 73 + 23 by rounding each number to the nearest 10: ______
- Estimate 24 − 87 by rounding each number to the nearest 10: ______
- Estimate 36 + 40 by rounding each number to the nearest 10: ______
- Estimate 78 − 66 by rounding each number to the nearest 10: ______
- Estimate 66 + 26 by rounding each number to the nearest 10: ______
- Estimate 42 − 22 by rounding each number to the nearest 10: ______
- Estimate 39 − 86 by rounding each number to the nearest 10: ______
- Estimate 43 + 69 by rounding each number to the nearest 10: ______
- Estimate 65 + 88 by rounding each number to the nearest 10: ______
- Estimate 22 + 35 by rounding each number to the nearest 10: ______
- Estimate 58 + 79 by rounding each number to the nearest 10: ______
- Estimate 47 − 84 by rounding each number to the nearest 10: ______
- Estimate 61 + 69 by rounding each number to the nearest 10: ______
- Estimate 82 + 77 by rounding each number to the nearest 10: ______