Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 53 − 88 by rounding each number to the nearest 10: ______
- Estimate 31 + 44 by rounding each number to the nearest 10: ______
- Estimate 88 + 38 by rounding each number to the nearest 10: ______
- Estimate 68 − 89 by rounding each number to the nearest 10: ______
- Estimate 55 + 85 by rounding each number to the nearest 10: ______
- Estimate 47 + 89 by rounding each number to the nearest 10: ______
- Estimate 53 + 36 by rounding each number to the nearest 10: ______
- Estimate 43 − 73 by rounding each number to the nearest 10: ______
- Estimate 45 + 62 by rounding each number to the nearest 10: ______
- Estimate 80 − 70 by rounding each number to the nearest 10: ______
- Estimate 51 + 78 by rounding each number to the nearest 10: ______
- Estimate 38 − 36 by rounding each number to the nearest 10: ______
- Estimate 66 − 39 by rounding each number to the nearest 10: ______
- Estimate 70 − 81 by rounding each number to the nearest 10: ______
- Estimate 44 + 65 by rounding each number to the nearest 10: ______
- Estimate 23 − 59 by rounding each number to the nearest 10: ______
- Estimate 69 − 42 by rounding each number to the nearest 10: ______
- Estimate 87 − 23 by rounding each number to the nearest 10: ______
- Estimate 29 + 45 by rounding each number to the nearest 10: ______
- Estimate 50 − 46 by rounding each number to the nearest 10: ______