Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 65 + 51 by rounding each number to the nearest 10: ______
- Estimate 76 − 67 by rounding each number to the nearest 10: ______
- Estimate 44 − 76 by rounding each number to the nearest 10: ______
- Estimate 55 − 76 by rounding each number to the nearest 10: ______
- Estimate 53 + 72 by rounding each number to the nearest 10: ______
- Estimate 80 + 29 by rounding each number to the nearest 10: ______
- Estimate 26 − 61 by rounding each number to the nearest 10: ______
- Estimate 33 + 69 by rounding each number to the nearest 10: ______
- Estimate 54 + 72 by rounding each number to the nearest 10: ______
- Estimate 63 + 61 by rounding each number to the nearest 10: ______
- Estimate 47 + 83 by rounding each number to the nearest 10: ______
- Estimate 51 − 64 by rounding each number to the nearest 10: ______
- Estimate 48 − 41 by rounding each number to the nearest 10: ______
- Estimate 85 − 58 by rounding each number to the nearest 10: ______
- Estimate 74 − 30 by rounding each number to the nearest 10: ______
- Estimate 79 + 60 by rounding each number to the nearest 10: ______
- Estimate 51 − 27 by rounding each number to the nearest 10: ______
- Estimate 77 − 46 by rounding each number to the nearest 10: ______
- Estimate 49 + 49 by rounding each number to the nearest 10: ______
- Estimate 62 − 53 by rounding each number to the nearest 10: ______