Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 75 + 77 by rounding each number to the nearest 10: ______
- Estimate 25 − 39 by rounding each number to the nearest 10: ______
- Estimate 27 + 56 by rounding each number to the nearest 10: ______
- Estimate 61 + 33 by rounding each number to the nearest 10: ______
- Estimate 82 − 80 by rounding each number to the nearest 10: ______
- Estimate 36 − 38 by rounding each number to the nearest 10: ______
- Estimate 35 − 85 by rounding each number to the nearest 10: ______
- Estimate 54 − 69 by rounding each number to the nearest 10: ______
- Estimate 26 + 38 by rounding each number to the nearest 10: ______
- Estimate 49 + 57 by rounding each number to the nearest 10: ______
- Estimate 80 − 83 by rounding each number to the nearest 10: ______
- Estimate 22 − 22 by rounding each number to the nearest 10: ______
- Estimate 68 − 32 by rounding each number to the nearest 10: ______
- Estimate 64 − 30 by rounding each number to the nearest 10: ______
- Estimate 39 + 60 by rounding each number to the nearest 10: ______
- Estimate 27 − 29 by rounding each number to the nearest 10: ______
- Estimate 37 + 22 by rounding each number to the nearest 10: ______
- Estimate 37 + 88 by rounding each number to the nearest 10: ______
- Estimate 72 − 55 by rounding each number to the nearest 10: ______
- Estimate 73 − 84 by rounding each number to the nearest 10: ______