Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 45 + 74 by rounding each number to the nearest 10: ______
- Estimate 37 + 76 by rounding each number to the nearest 10: ______
- Estimate 68 − 48 by rounding each number to the nearest 10: ______
- Estimate 56 + 22 by rounding each number to the nearest 10: ______
- Estimate 74 − 60 by rounding each number to the nearest 10: ______
- Estimate 37 + 63 by rounding each number to the nearest 10: ______
- Estimate 32 − 70 by rounding each number to the nearest 10: ______
- Estimate 72 + 37 by rounding each number to the nearest 10: ______
- Estimate 53 − 44 by rounding each number to the nearest 10: ______
- Estimate 25 − 77 by rounding each number to the nearest 10: ______
- Estimate 51 + 21 by rounding each number to the nearest 10: ______
- Estimate 65 − 45 by rounding each number to the nearest 10: ______
- Estimate 29 + 69 by rounding each number to the nearest 10: ______
- Estimate 49 − 35 by rounding each number to the nearest 10: ______
- Estimate 84 + 59 by rounding each number to the nearest 10: ______
- Estimate 58 − 40 by rounding each number to the nearest 10: ______
- Estimate 72 − 76 by rounding each number to the nearest 10: ______
- Estimate 30 − 84 by rounding each number to the nearest 10: ______
- Estimate 69 − 25 by rounding each number to the nearest 10: ______
- Estimate 41 − 52 by rounding each number to the nearest 10: ______