Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 60 − 28 by rounding each number to the nearest 10: ______
- Estimate 73 − 83 by rounding each number to the nearest 10: ______
- Estimate 74 − 71 by rounding each number to the nearest 10: ______
- Estimate 71 + 28 by rounding each number to the nearest 10: ______
- Estimate 77 − 43 by rounding each number to the nearest 10: ______
- Estimate 72 − 39 by rounding each number to the nearest 10: ______
- Estimate 30 − 59 by rounding each number to the nearest 10: ______
- Estimate 48 − 50 by rounding each number to the nearest 10: ______
- Estimate 84 − 38 by rounding each number to the nearest 10: ______
- Estimate 28 − 35 by rounding each number to the nearest 10: ______
- Estimate 51 + 22 by rounding each number to the nearest 10: ______
- Estimate 34 − 77 by rounding each number to the nearest 10: ______
- Estimate 39 − 83 by rounding each number to the nearest 10: ______
- Estimate 32 − 64 by rounding each number to the nearest 10: ______
- Estimate 37 − 64 by rounding each number to the nearest 10: ______
- Estimate 86 − 69 by rounding each number to the nearest 10: ______
- Estimate 39 − 87 by rounding each number to the nearest 10: ______
- Estimate 55 + 82 by rounding each number to the nearest 10: ______
- Estimate 72 − 79 by rounding each number to the nearest 10: ______
- Estimate 76 − 57 by rounding each number to the nearest 10: ______