Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 66 − 69 by rounding each number to the nearest 10: ______
- Estimate 74 + 69 by rounding each number to the nearest 10: ______
- Estimate 85 − 41 by rounding each number to the nearest 10: ______
- Estimate 71 + 78 by rounding each number to the nearest 10: ______
- Estimate 76 + 33 by rounding each number to the nearest 10: ______
- Estimate 68 − 34 by rounding each number to the nearest 10: ______
- Estimate 59 + 62 by rounding each number to the nearest 10: ______
- Estimate 65 − 64 by rounding each number to the nearest 10: ______
- Estimate 83 − 72 by rounding each number to the nearest 10: ______
- Estimate 24 − 69 by rounding each number to the nearest 10: ______
- Estimate 27 + 33 by rounding each number to the nearest 10: ______
- Estimate 60 − 78 by rounding each number to the nearest 10: ______
- Estimate 24 + 49 by rounding each number to the nearest 10: ______
- Estimate 57 − 63 by rounding each number to the nearest 10: ______
- Estimate 71 + 79 by rounding each number to the nearest 10: ______
- Estimate 80 + 60 by rounding each number to the nearest 10: ______
- Estimate 35 − 28 by rounding each number to the nearest 10: ______
- Estimate 33 + 87 by rounding each number to the nearest 10: ______
- Estimate 62 + 44 by rounding each number to the nearest 10: ______
- Estimate 83 + 43 by rounding each number to the nearest 10: ______