Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 58 + 55 by rounding each number to the nearest 10: ______
- Estimate 65 − 86 by rounding each number to the nearest 10: ______
- Estimate 89 + 77 by rounding each number to the nearest 10: ______
- Estimate 56 + 88 by rounding each number to the nearest 10: ______
- Estimate 33 + 26 by rounding each number to the nearest 10: ______
- Estimate 48 − 22 by rounding each number to the nearest 10: ______
- Estimate 40 + 30 by rounding each number to the nearest 10: ______
- Estimate 65 − 85 by rounding each number to the nearest 10: ______
- Estimate 34 − 65 by rounding each number to the nearest 10: ______
- Estimate 64 − 80 by rounding each number to the nearest 10: ______
- Estimate 79 + 65 by rounding each number to the nearest 10: ______
- Estimate 26 + 52 by rounding each number to the nearest 10: ______
- Estimate 36 − 40 by rounding each number to the nearest 10: ______
- Estimate 64 − 53 by rounding each number to the nearest 10: ______
- Estimate 73 − 43 by rounding each number to the nearest 10: ______
- Estimate 50 − 70 by rounding each number to the nearest 10: ______
- Estimate 58 − 47 by rounding each number to the nearest 10: ______
- Estimate 59 − 58 by rounding each number to the nearest 10: ______
- Estimate 72 + 49 by rounding each number to the nearest 10: ______
- Estimate 36 + 80 by rounding each number to the nearest 10: ______