Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 41 + 25 by rounding each number to the nearest 10: ______
- Estimate 34 − 66 by rounding each number to the nearest 10: ______
- Estimate 84 + 30 by rounding each number to the nearest 10: ______
- Estimate 51 − 72 by rounding each number to the nearest 10: ______
- Estimate 25 + 32 by rounding each number to the nearest 10: ______
- Estimate 51 − 58 by rounding each number to the nearest 10: ______
- Estimate 49 − 44 by rounding each number to the nearest 10: ______
- Estimate 63 + 75 by rounding each number to the nearest 10: ______
- Estimate 64 − 85 by rounding each number to the nearest 10: ______
- Estimate 27 − 67 by rounding each number to the nearest 10: ______
- Estimate 88 − 44 by rounding each number to the nearest 10: ______
- Estimate 39 − 57 by rounding each number to the nearest 10: ______
- Estimate 36 + 72 by rounding each number to the nearest 10: ______
- Estimate 28 + 67 by rounding each number to the nearest 10: ______
- Estimate 22 + 33 by rounding each number to the nearest 10: ______
- Estimate 69 − 48 by rounding each number to the nearest 10: ______
- Estimate 52 − 46 by rounding each number to the nearest 10: ______
- Estimate 79 − 25 by rounding each number to the nearest 10: ______
- Estimate 32 + 87 by rounding each number to the nearest 10: ______
- Estimate 56 − 30 by rounding each number to the nearest 10: ______