Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 74 + 29 by rounding each number to the nearest 10: ______
- Estimate 43 − 67 by rounding each number to the nearest 10: ______
- Estimate 25 + 44 by rounding each number to the nearest 10: ______
- Estimate 89 + 39 by rounding each number to the nearest 10: ______
- Estimate 62 − 89 by rounding each number to the nearest 10: ______
- Estimate 61 + 64 by rounding each number to the nearest 10: ______
- Estimate 57 + 33 by rounding each number to the nearest 10: ______
- Estimate 24 − 82 by rounding each number to the nearest 10: ______
- Estimate 21 − 53 by rounding each number to the nearest 10: ______
- Estimate 56 − 25 by rounding each number to the nearest 10: ______
- Estimate 22 − 36 by rounding each number to the nearest 10: ______
- Estimate 24 + 73 by rounding each number to the nearest 10: ______
- Estimate 77 − 43 by rounding each number to the nearest 10: ______
- Estimate 71 − 88 by rounding each number to the nearest 10: ______
- Estimate 40 − 45 by rounding each number to the nearest 10: ______
- Estimate 58 + 87 by rounding each number to the nearest 10: ______
- Estimate 75 − 32 by rounding each number to the nearest 10: ______
- Estimate 73 − 52 by rounding each number to the nearest 10: ______
- Estimate 29 − 64 by rounding each number to the nearest 10: ______
- Estimate 78 + 56 by rounding each number to the nearest 10: ______