Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 65 + 56 by rounding each number to the nearest 10: ______
- Estimate 46 − 66 by rounding each number to the nearest 10: ______
- Estimate 24 − 71 by rounding each number to the nearest 10: ______
- Estimate 85 + 54 by rounding each number to the nearest 10: ______
- Estimate 63 + 46 by rounding each number to the nearest 10: ______
- Estimate 55 − 42 by rounding each number to the nearest 10: ______
- Estimate 77 − 80 by rounding each number to the nearest 10: ______
- Estimate 73 + 72 by rounding each number to the nearest 10: ______
- Estimate 60 + 22 by rounding each number to the nearest 10: ______
- Estimate 32 + 32 by rounding each number to the nearest 10: ______
- Estimate 39 − 67 by rounding each number to the nearest 10: ______
- Estimate 29 + 46 by rounding each number to the nearest 10: ______
- Estimate 72 + 27 by rounding each number to the nearest 10: ______
- Estimate 52 − 63 by rounding each number to the nearest 10: ______
- Estimate 60 − 89 by rounding each number to the nearest 10: ______
- Estimate 34 − 62 by rounding each number to the nearest 10: ______
- Estimate 26 + 35 by rounding each number to the nearest 10: ______
- Estimate 31 + 52 by rounding each number to the nearest 10: ______
- Estimate 82 + 86 by rounding each number to the nearest 10: ______
- Estimate 38 − 48 by rounding each number to the nearest 10: ______