Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 58 − 73 by rounding each number to the nearest 10: ______
- Estimate 88 + 75 by rounding each number to the nearest 10: ______
- Estimate 75 − 28 by rounding each number to the nearest 10: ______
- Estimate 85 + 63 by rounding each number to the nearest 10: ______
- Estimate 70 + 68 by rounding each number to the nearest 10: ______
- Estimate 35 + 44 by rounding each number to the nearest 10: ______
- Estimate 69 − 47 by rounding each number to the nearest 10: ______
- Estimate 42 + 33 by rounding each number to the nearest 10: ______
- Estimate 27 + 43 by rounding each number to the nearest 10: ______
- Estimate 71 − 70 by rounding each number to the nearest 10: ______
- Estimate 79 − 77 by rounding each number to the nearest 10: ______
- Estimate 43 + 56 by rounding each number to the nearest 10: ______
- Estimate 78 − 25 by rounding each number to the nearest 10: ______
- Estimate 63 − 24 by rounding each number to the nearest 10: ______
- Estimate 89 − 50 by rounding each number to the nearest 10: ______
- Estimate 77 + 74 by rounding each number to the nearest 10: ______
- Estimate 40 − 50 by rounding each number to the nearest 10: ______
- Estimate 78 + 49 by rounding each number to the nearest 10: ______
- Estimate 81 + 33 by rounding each number to the nearest 10: ______
- Estimate 82 + 81 by rounding each number to the nearest 10: ______