Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 22 + 36 by rounding each number to the nearest 10: ______
- Estimate 69 + 22 by rounding each number to the nearest 10: ______
- Estimate 48 + 86 by rounding each number to the nearest 10: ______
- Estimate 35 − 43 by rounding each number to the nearest 10: ______
- Estimate 25 − 72 by rounding each number to the nearest 10: ______
- Estimate 88 + 88 by rounding each number to the nearest 10: ______
- Estimate 47 − 32 by rounding each number to the nearest 10: ______
- Estimate 35 + 85 by rounding each number to the nearest 10: ______
- Estimate 86 + 26 by rounding each number to the nearest 10: ______
- Estimate 74 − 31 by rounding each number to the nearest 10: ______
- Estimate 24 + 77 by rounding each number to the nearest 10: ______
- Estimate 87 − 84 by rounding each number to the nearest 10: ______
- Estimate 78 − 38 by rounding each number to the nearest 10: ______
- Estimate 72 + 27 by rounding each number to the nearest 10: ______
- Estimate 88 − 71 by rounding each number to the nearest 10: ______
- Estimate 75 + 71 by rounding each number to the nearest 10: ______
- Estimate 41 − 85 by rounding each number to the nearest 10: ______
- Estimate 28 + 67 by rounding each number to the nearest 10: ______
- Estimate 42 + 63 by rounding each number to the nearest 10: ______
- Estimate 60 − 63 by rounding each number to the nearest 10: ______