Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 36 + 49 by rounding each number to the nearest 10: ______
- Estimate 84 + 33 by rounding each number to the nearest 10: ______
- Estimate 71 − 31 by rounding each number to the nearest 10: ______
- Estimate 49 + 26 by rounding each number to the nearest 10: ______
- Estimate 43 + 61 by rounding each number to the nearest 10: ______
- Estimate 63 + 54 by rounding each number to the nearest 10: ______
- Estimate 58 − 54 by rounding each number to the nearest 10: ______
- Estimate 29 + 32 by rounding each number to the nearest 10: ______
- Estimate 41 − 48 by rounding each number to the nearest 10: ______
- Estimate 50 − 47 by rounding each number to the nearest 10: ______
- Estimate 80 + 26 by rounding each number to the nearest 10: ______
- Estimate 67 + 39 by rounding each number to the nearest 10: ______
- Estimate 35 − 84 by rounding each number to the nearest 10: ______
- Estimate 83 − 29 by rounding each number to the nearest 10: ______
- Estimate 53 − 78 by rounding each number to the nearest 10: ______
- Estimate 32 + 75 by rounding each number to the nearest 10: ______
- Estimate 55 + 29 by rounding each number to the nearest 10: ______
- Estimate 86 − 69 by rounding each number to the nearest 10: ______
- Estimate 79 − 43 by rounding each number to the nearest 10: ______
- Estimate 21 − 31 by rounding each number to the nearest 10: ______