Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 53 + 53 by rounding each number to the nearest 10: ______
- Estimate 72 − 59 by rounding each number to the nearest 10: ______
- Estimate 39 − 49 by rounding each number to the nearest 10: ______
- Estimate 73 − 88 by rounding each number to the nearest 10: ______
- Estimate 46 + 55 by rounding each number to the nearest 10: ______
- Estimate 47 − 58 by rounding each number to the nearest 10: ______
- Estimate 87 − 82 by rounding each number to the nearest 10: ______
- Estimate 67 − 70 by rounding each number to the nearest 10: ______
- Estimate 89 + 47 by rounding each number to the nearest 10: ______
- Estimate 65 + 70 by rounding each number to the nearest 10: ______
- Estimate 74 + 35 by rounding each number to the nearest 10: ______
- Estimate 47 + 47 by rounding each number to the nearest 10: ______
- Estimate 49 + 34 by rounding each number to the nearest 10: ______
- Estimate 59 + 70 by rounding each number to the nearest 10: ______
- Estimate 66 − 72 by rounding each number to the nearest 10: ______
- Estimate 29 + 80 by rounding each number to the nearest 10: ______
- Estimate 50 − 69 by rounding each number to the nearest 10: ______
- Estimate 48 + 42 by rounding each number to the nearest 10: ______
- Estimate 67 − 81 by rounding each number to the nearest 10: ______
- Estimate 83 − 33 by rounding each number to the nearest 10: ______