Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 43 − 83 by rounding each number to the nearest 10: ______
- Estimate 72 + 64 by rounding each number to the nearest 10: ______
- Estimate 64 − 77 by rounding each number to the nearest 10: ______
- Estimate 87 − 75 by rounding each number to the nearest 10: ______
- Estimate 41 − 26 by rounding each number to the nearest 10: ______
- Estimate 38 + 80 by rounding each number to the nearest 10: ______
- Estimate 53 − 36 by rounding each number to the nearest 10: ______
- Estimate 26 − 44 by rounding each number to the nearest 10: ______
- Estimate 62 + 24 by rounding each number to the nearest 10: ______
- Estimate 84 − 80 by rounding each number to the nearest 10: ______
- Estimate 33 − 52 by rounding each number to the nearest 10: ______
- Estimate 24 − 55 by rounding each number to the nearest 10: ______
- Estimate 77 + 70 by rounding each number to the nearest 10: ______
- Estimate 71 − 56 by rounding each number to the nearest 10: ______
- Estimate 52 + 45 by rounding each number to the nearest 10: ______
- Estimate 77 − 78 by rounding each number to the nearest 10: ______
- Estimate 59 − 75 by rounding each number to the nearest 10: ______
- Estimate 87 − 71 by rounding each number to the nearest 10: ______
- Estimate 55 − 57 by rounding each number to the nearest 10: ______
- Estimate 25 + 76 by rounding each number to the nearest 10: ______