Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 83 − 77 by rounding each number to the nearest 10: ______
- Estimate 35 − 69 by rounding each number to the nearest 10: ______
- Estimate 52 + 72 by rounding each number to the nearest 10: ______
- Estimate 72 + 23 by rounding each number to the nearest 10: ______
- Estimate 55 − 67 by rounding each number to the nearest 10: ______
- Estimate 35 − 59 by rounding each number to the nearest 10: ______
- Estimate 54 − 69 by rounding each number to the nearest 10: ______
- Estimate 86 + 55 by rounding each number to the nearest 10: ______
- Estimate 56 − 65 by rounding each number to the nearest 10: ______
- Estimate 25 + 79 by rounding each number to the nearest 10: ______
- Estimate 26 − 32 by rounding each number to the nearest 10: ______
- Estimate 56 + 36 by rounding each number to the nearest 10: ______
- Estimate 81 + 74 by rounding each number to the nearest 10: ______
- Estimate 69 − 47 by rounding each number to the nearest 10: ______
- Estimate 72 + 77 by rounding each number to the nearest 10: ______
- Estimate 23 + 60 by rounding each number to the nearest 10: ______
- Estimate 76 − 34 by rounding each number to the nearest 10: ______
- Estimate 80 + 53 by rounding each number to the nearest 10: ______
- Estimate 56 + 42 by rounding each number to the nearest 10: ______
- Estimate 70 − 38 by rounding each number to the nearest 10: ______