Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 87 + 46 by rounding each number to the nearest 10: ______
- Estimate 86 + 78 by rounding each number to the nearest 10: ______
- Estimate 37 − 75 by rounding each number to the nearest 10: ______
- Estimate 70 + 86 by rounding each number to the nearest 10: ______
- Estimate 39 + 69 by rounding each number to the nearest 10: ______
- Estimate 60 − 34 by rounding each number to the nearest 10: ______
- Estimate 40 + 59 by rounding each number to the nearest 10: ______
- Estimate 45 − 62 by rounding each number to the nearest 10: ______
- Estimate 44 + 62 by rounding each number to the nearest 10: ______
- Estimate 82 − 88 by rounding each number to the nearest 10: ______
- Estimate 76 − 31 by rounding each number to the nearest 10: ______
- Estimate 74 − 47 by rounding each number to the nearest 10: ______
- Estimate 30 + 33 by rounding each number to the nearest 10: ______
- Estimate 85 + 32 by rounding each number to the nearest 10: ______
- Estimate 29 − 36 by rounding each number to the nearest 10: ______
- Estimate 69 − 57 by rounding each number to the nearest 10: ______
- Estimate 89 − 45 by rounding each number to the nearest 10: ______
- Estimate 47 − 87 by rounding each number to the nearest 10: ______
- Estimate 70 − 76 by rounding each number to the nearest 10: ______
- Estimate 29 − 61 by rounding each number to the nearest 10: ______