Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 62 − 23 by rounding each number to the nearest 10: ______
- Estimate 58 + 44 by rounding each number to the nearest 10: ______
- Estimate 80 − 54 by rounding each number to the nearest 10: ______
- Estimate 41 + 66 by rounding each number to the nearest 10: ______
- Estimate 34 + 65 by rounding each number to the nearest 10: ______
- Estimate 59 + 68 by rounding each number to the nearest 10: ______
- Estimate 60 + 68 by rounding each number to the nearest 10: ______
- Estimate 87 − 88 by rounding each number to the nearest 10: ______
- Estimate 82 + 64 by rounding each number to the nearest 10: ______
- Estimate 71 + 67 by rounding each number to the nearest 10: ______
- Estimate 52 − 86 by rounding each number to the nearest 10: ______
- Estimate 40 + 73 by rounding each number to the nearest 10: ______
- Estimate 54 + 87 by rounding each number to the nearest 10: ______
- Estimate 59 − 45 by rounding each number to the nearest 10: ______
- Estimate 76 + 65 by rounding each number to the nearest 10: ______
- Estimate 84 − 54 by rounding each number to the nearest 10: ______
- Estimate 45 − 71 by rounding each number to the nearest 10: ______
- Estimate 33 − 39 by rounding each number to the nearest 10: ______
- Estimate 56 + 37 by rounding each number to the nearest 10: ______
- Estimate 46 + 70 by rounding each number to the nearest 10: ______