Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 27 + 71 by rounding each number to the nearest 10: ______
- Estimate 67 + 84 by rounding each number to the nearest 10: ______
- Estimate 87 − 37 by rounding each number to the nearest 10: ______
- Estimate 48 − 25 by rounding each number to the nearest 10: ______
- Estimate 27 + 26 by rounding each number to the nearest 10: ______
- Estimate 67 − 50 by rounding each number to the nearest 10: ______
- Estimate 35 − 24 by rounding each number to the nearest 10: ______
- Estimate 56 − 47 by rounding each number to the nearest 10: ______
- Estimate 74 + 52 by rounding each number to the nearest 10: ______
- Estimate 38 + 38 by rounding each number to the nearest 10: ______
- Estimate 76 + 71 by rounding each number to the nearest 10: ______
- Estimate 65 + 37 by rounding each number to the nearest 10: ______
- Estimate 42 + 82 by rounding each number to the nearest 10: ______
- Estimate 78 + 56 by rounding each number to the nearest 10: ______
- Estimate 50 + 64 by rounding each number to the nearest 10: ______
- Estimate 28 − 72 by rounding each number to the nearest 10: ______
- Estimate 52 − 87 by rounding each number to the nearest 10: ______
- Estimate 39 + 55 by rounding each number to the nearest 10: ______
- Estimate 58 + 72 by rounding each number to the nearest 10: ______
- Estimate 63 + 88 by rounding each number to the nearest 10: ______