Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 36 − 23 by rounding each number to the nearest 10: ______
- Estimate 83 − 52 by rounding each number to the nearest 10: ______
- Estimate 77 − 86 by rounding each number to the nearest 10: ______
- Estimate 62 + 49 by rounding each number to the nearest 10: ______
- Estimate 62 − 60 by rounding each number to the nearest 10: ______
- Estimate 30 + 85 by rounding each number to the nearest 10: ______
- Estimate 43 − 35 by rounding each number to the nearest 10: ______
- Estimate 23 − 58 by rounding each number to the nearest 10: ______
- Estimate 54 + 56 by rounding each number to the nearest 10: ______
- Estimate 32 + 56 by rounding each number to the nearest 10: ______
- Estimate 89 − 31 by rounding each number to the nearest 10: ______
- Estimate 36 − 72 by rounding each number to the nearest 10: ______
- Estimate 57 + 52 by rounding each number to the nearest 10: ______
- Estimate 63 − 53 by rounding each number to the nearest 10: ______
- Estimate 57 + 29 by rounding each number to the nearest 10: ______
- Estimate 66 + 69 by rounding each number to the nearest 10: ______
- Estimate 57 − 53 by rounding each number to the nearest 10: ______
- Estimate 80 + 51 by rounding each number to the nearest 10: ______
- Estimate 33 + 34 by rounding each number to the nearest 10: ______
- Estimate 53 + 32 by rounding each number to the nearest 10: ______