Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 82 − 76 by rounding each number to the nearest 10: ______
- Estimate 63 − 65 by rounding each number to the nearest 10: ______
- Estimate 74 + 49 by rounding each number to the nearest 10: ______
- Estimate 83 + 50 by rounding each number to the nearest 10: ______
- Estimate 55 − 82 by rounding each number to the nearest 10: ______
- Estimate 63 − 88 by rounding each number to the nearest 10: ______
- Estimate 73 + 38 by rounding each number to the nearest 10: ______
- Estimate 47 − 70 by rounding each number to the nearest 10: ______
- Estimate 34 − 72 by rounding each number to the nearest 10: ______
- Estimate 85 − 35 by rounding each number to the nearest 10: ______
- Estimate 21 − 64 by rounding each number to the nearest 10: ______
- Estimate 23 − 49 by rounding each number to the nearest 10: ______
- Estimate 84 − 67 by rounding each number to the nearest 10: ______
- Estimate 83 − 39 by rounding each number to the nearest 10: ______
- Estimate 22 + 74 by rounding each number to the nearest 10: ______
- Estimate 57 + 32 by rounding each number to the nearest 10: ______
- Estimate 39 − 87 by rounding each number to the nearest 10: ______
- Estimate 65 + 22 by rounding each number to the nearest 10: ______
- Estimate 33 − 73 by rounding each number to the nearest 10: ______
- Estimate 51 − 68 by rounding each number to the nearest 10: ______