Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 59 + 31 by rounding each number to the nearest 10: ______
- Estimate 22 − 52 by rounding each number to the nearest 10: ______
- Estimate 41 + 52 by rounding each number to the nearest 10: ______
- Estimate 47 + 45 by rounding each number to the nearest 10: ______
- Estimate 24 − 87 by rounding each number to the nearest 10: ______
- Estimate 54 − 29 by rounding each number to the nearest 10: ______
- Estimate 39 + 69 by rounding each number to the nearest 10: ______
- Estimate 46 + 29 by rounding each number to the nearest 10: ______
- Estimate 34 − 45 by rounding each number to the nearest 10: ______
- Estimate 89 + 67 by rounding each number to the nearest 10: ______
- Estimate 52 + 58 by rounding each number to the nearest 10: ______
- Estimate 43 + 24 by rounding each number to the nearest 10: ______
- Estimate 50 − 40 by rounding each number to the nearest 10: ______
- Estimate 65 + 32 by rounding each number to the nearest 10: ______
- Estimate 62 + 71 by rounding each number to the nearest 10: ______
- Estimate 42 − 41 by rounding each number to the nearest 10: ______
- Estimate 80 + 61 by rounding each number to the nearest 10: ______
- Estimate 48 − 29 by rounding each number to the nearest 10: ______
- Estimate 63 + 38 by rounding each number to the nearest 10: ______
- Estimate 84 − 68 by rounding each number to the nearest 10: ______