Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 42 − 34 by rounding each number to the nearest 10: ______
- Estimate 35 + 55 by rounding each number to the nearest 10: ______
- Estimate 49 − 33 by rounding each number to the nearest 10: ______
- Estimate 63 − 44 by rounding each number to the nearest 10: ______
- Estimate 87 + 58 by rounding each number to the nearest 10: ______
- Estimate 51 − 57 by rounding each number to the nearest 10: ______
- Estimate 44 − 48 by rounding each number to the nearest 10: ______
- Estimate 44 − 88 by rounding each number to the nearest 10: ______
- Estimate 49 − 86 by rounding each number to the nearest 10: ______
- Estimate 53 + 52 by rounding each number to the nearest 10: ______
- Estimate 89 + 41 by rounding each number to the nearest 10: ______
- Estimate 50 + 76 by rounding each number to the nearest 10: ______
- Estimate 87 − 86 by rounding each number to the nearest 10: ______
- Estimate 66 + 68 by rounding each number to the nearest 10: ______
- Estimate 76 + 65 by rounding each number to the nearest 10: ______
- Estimate 85 + 53 by rounding each number to the nearest 10: ______
- Estimate 45 + 52 by rounding each number to the nearest 10: ______
- Estimate 37 + 76 by rounding each number to the nearest 10: ______
- Estimate 65 + 38 by rounding each number to the nearest 10: ______
- Estimate 55 + 58 by rounding each number to the nearest 10: ______