Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 84 − 27 by rounding each number to the nearest 10: ______
- Estimate 26 + 46 by rounding each number to the nearest 10: ______
- Estimate 87 + 56 by rounding each number to the nearest 10: ______
- Estimate 30 + 76 by rounding each number to the nearest 10: ______
- Estimate 37 + 26 by rounding each number to the nearest 10: ______
- Estimate 69 − 35 by rounding each number to the nearest 10: ______
- Estimate 64 − 75 by rounding each number to the nearest 10: ______
- Estimate 82 + 79 by rounding each number to the nearest 10: ______
- Estimate 88 + 26 by rounding each number to the nearest 10: ______
- Estimate 22 + 87 by rounding each number to the nearest 10: ______
- Estimate 66 − 62 by rounding each number to the nearest 10: ______
- Estimate 28 + 63 by rounding each number to the nearest 10: ______
- Estimate 22 − 35 by rounding each number to the nearest 10: ______
- Estimate 66 + 23 by rounding each number to the nearest 10: ______
- Estimate 26 − 36 by rounding each number to the nearest 10: ______
- Estimate 61 − 73 by rounding each number to the nearest 10: ______
- Estimate 87 + 27 by rounding each number to the nearest 10: ______
- Estimate 67 − 55 by rounding each number to the nearest 10: ______
- Estimate 42 − 46 by rounding each number to the nearest 10: ______
- Estimate 81 − 69 by rounding each number to the nearest 10: ______