Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 32 − 75 by rounding each number to the nearest 10: ______
- Estimate 26 − 72 by rounding each number to the nearest 10: ______
- Estimate 28 − 47 by rounding each number to the nearest 10: ______
- Estimate 84 + 57 by rounding each number to the nearest 10: ______
- Estimate 66 + 59 by rounding each number to the nearest 10: ______
- Estimate 41 − 89 by rounding each number to the nearest 10: ______
- Estimate 52 − 84 by rounding each number to the nearest 10: ______
- Estimate 67 + 50 by rounding each number to the nearest 10: ______
- Estimate 35 + 43 by rounding each number to the nearest 10: ______
- Estimate 63 − 31 by rounding each number to the nearest 10: ______
- Estimate 22 + 34 by rounding each number to the nearest 10: ______
- Estimate 79 + 27 by rounding each number to the nearest 10: ______
- Estimate 31 − 30 by rounding each number to the nearest 10: ______
- Estimate 71 − 61 by rounding each number to the nearest 10: ______
- Estimate 50 − 27 by rounding each number to the nearest 10: ______
- Estimate 21 + 70 by rounding each number to the nearest 10: ______
- Estimate 40 + 32 by rounding each number to the nearest 10: ______
- Estimate 64 − 85 by rounding each number to the nearest 10: ______
- Estimate 33 + 86 by rounding each number to the nearest 10: ______
- Estimate 62 + 28 by rounding each number to the nearest 10: ______