Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 37 − 44 by rounding each number to the nearest 10: ______
- Estimate 86 + 65 by rounding each number to the nearest 10: ______
- Estimate 67 − 82 by rounding each number to the nearest 10: ______
- Estimate 80 − 33 by rounding each number to the nearest 10: ______
- Estimate 63 + 88 by rounding each number to the nearest 10: ______
- Estimate 31 + 48 by rounding each number to the nearest 10: ______
- Estimate 48 + 53 by rounding each number to the nearest 10: ______
- Estimate 75 + 35 by rounding each number to the nearest 10: ______
- Estimate 41 − 49 by rounding each number to the nearest 10: ______
- Estimate 78 − 59 by rounding each number to the nearest 10: ______
- Estimate 85 − 32 by rounding each number to the nearest 10: ______
- Estimate 79 − 28 by rounding each number to the nearest 10: ______
- Estimate 86 + 74 by rounding each number to the nearest 10: ______
- Estimate 48 + 21 by rounding each number to the nearest 10: ______
- Estimate 22 + 42 by rounding each number to the nearest 10: ______
- Estimate 86 + 27 by rounding each number to the nearest 10: ______
- Estimate 76 + 46 by rounding each number to the nearest 10: ______
- Estimate 34 − 51 by rounding each number to the nearest 10: ______
- Estimate 49 − 34 by rounding each number to the nearest 10: ______
- Estimate 62 − 34 by rounding each number to the nearest 10: ______