Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 77 − 53 by rounding each number to the nearest 10: ______
- Estimate 24 − 77 by rounding each number to the nearest 10: ______
- Estimate 59 + 48 by rounding each number to the nearest 10: ______
- Estimate 64 + 86 by rounding each number to the nearest 10: ______
- Estimate 66 + 51 by rounding each number to the nearest 10: ______
- Estimate 23 − 53 by rounding each number to the nearest 10: ______
- Estimate 81 − 32 by rounding each number to the nearest 10: ______
- Estimate 79 − 63 by rounding each number to the nearest 10: ______
- Estimate 23 + 38 by rounding each number to the nearest 10: ______
- Estimate 24 + 36 by rounding each number to the nearest 10: ______
- Estimate 80 + 67 by rounding each number to the nearest 10: ______
- Estimate 28 − 84 by rounding each number to the nearest 10: ______
- Estimate 77 + 86 by rounding each number to the nearest 10: ______
- Estimate 28 + 76 by rounding each number to the nearest 10: ______
- Estimate 71 + 62 by rounding each number to the nearest 10: ______
- Estimate 40 − 74 by rounding each number to the nearest 10: ______
- Estimate 56 − 64 by rounding each number to the nearest 10: ______
- Estimate 40 + 73 by rounding each number to the nearest 10: ______
- Estimate 41 + 31 by rounding each number to the nearest 10: ______
- Estimate 84 + 53 by rounding each number to the nearest 10: ______