Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 34 − 81 by rounding each number to the nearest 10: ______
- Estimate 48 + 26 by rounding each number to the nearest 10: ______
- Estimate 32 − 68 by rounding each number to the nearest 10: ______
- Estimate 87 − 43 by rounding each number to the nearest 10: ______
- Estimate 27 − 64 by rounding each number to the nearest 10: ______
- Estimate 44 + 54 by rounding each number to the nearest 10: ______
- Estimate 64 − 40 by rounding each number to the nearest 10: ______
- Estimate 34 + 48 by rounding each number to the nearest 10: ______
- Estimate 62 − 79 by rounding each number to the nearest 10: ______
- Estimate 79 + 63 by rounding each number to the nearest 10: ______
- Estimate 74 − 23 by rounding each number to the nearest 10: ______
- Estimate 44 + 78 by rounding each number to the nearest 10: ______
- Estimate 56 + 83 by rounding each number to the nearest 10: ______
- Estimate 50 − 55 by rounding each number to the nearest 10: ______
- Estimate 63 + 62 by rounding each number to the nearest 10: ______
- Estimate 53 + 73 by rounding each number to the nearest 10: ______
- Estimate 69 + 67 by rounding each number to the nearest 10: ______
- Estimate 35 − 31 by rounding each number to the nearest 10: ______
- Estimate 73 + 81 by rounding each number to the nearest 10: ______
- Estimate 57 − 81 by rounding each number to the nearest 10: ______