Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 22 − 54 by rounding each number to the nearest 10: ______
- Estimate 83 + 26 by rounding each number to the nearest 10: ______
- Estimate 86 − 69 by rounding each number to the nearest 10: ______
- Estimate 51 + 70 by rounding each number to the nearest 10: ______
- Estimate 65 − 72 by rounding each number to the nearest 10: ______
- Estimate 79 + 66 by rounding each number to the nearest 10: ______
- Estimate 85 + 39 by rounding each number to the nearest 10: ______
- Estimate 77 + 43 by rounding each number to the nearest 10: ______
- Estimate 73 + 22 by rounding each number to the nearest 10: ______
- Estimate 27 + 30 by rounding each number to the nearest 10: ______
- Estimate 69 − 27 by rounding each number to the nearest 10: ______
- Estimate 36 − 35 by rounding each number to the nearest 10: ______
- Estimate 29 − 84 by rounding each number to the nearest 10: ______
- Estimate 82 − 80 by rounding each number to the nearest 10: ______
- Estimate 60 − 42 by rounding each number to the nearest 10: ______
- Estimate 32 + 59 by rounding each number to the nearest 10: ______
- Estimate 38 + 58 by rounding each number to the nearest 10: ______
- Estimate 36 + 27 by rounding each number to the nearest 10: ______
- Estimate 56 − 49 by rounding each number to the nearest 10: ______
- Estimate 30 + 26 by rounding each number to the nearest 10: ______