Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 75 − 29 by rounding each number to the nearest 10: ______
- Estimate 68 − 43 by rounding each number to the nearest 10: ______
- Estimate 62 − 83 by rounding each number to the nearest 10: ______
- Estimate 76 − 69 by rounding each number to the nearest 10: ______
- Estimate 61 + 45 by rounding each number to the nearest 10: ______
- Estimate 21 + 52 by rounding each number to the nearest 10: ______
- Estimate 54 + 67 by rounding each number to the nearest 10: ______
- Estimate 62 + 53 by rounding each number to the nearest 10: ______
- Estimate 63 + 80 by rounding each number to the nearest 10: ______
- Estimate 42 − 43 by rounding each number to the nearest 10: ______
- Estimate 88 + 61 by rounding each number to the nearest 10: ______
- Estimate 83 + 37 by rounding each number to the nearest 10: ______
- Estimate 44 + 73 by rounding each number to the nearest 10: ______
- Estimate 49 − 29 by rounding each number to the nearest 10: ______
- Estimate 82 − 56 by rounding each number to the nearest 10: ______
- Estimate 88 − 52 by rounding each number to the nearest 10: ______
- Estimate 66 + 72 by rounding each number to the nearest 10: ______
- Estimate 41 − 73 by rounding each number to the nearest 10: ______
- Estimate 84 + 21 by rounding each number to the nearest 10: ______
- Estimate 53 − 30 by rounding each number to the nearest 10: ______