Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 53 + 30 by rounding each number to the nearest 10: ______
- Estimate 54 − 22 by rounding each number to the nearest 10: ______
- Estimate 23 + 41 by rounding each number to the nearest 10: ______
- Estimate 44 + 42 by rounding each number to the nearest 10: ______
- Estimate 62 + 42 by rounding each number to the nearest 10: ______
- Estimate 77 + 59 by rounding each number to the nearest 10: ______
- Estimate 49 − 53 by rounding each number to the nearest 10: ______
- Estimate 58 + 67 by rounding each number to the nearest 10: ______
- Estimate 76 + 89 by rounding each number to the nearest 10: ______
- Estimate 70 − 23 by rounding each number to the nearest 10: ______
- Estimate 41 + 37 by rounding each number to the nearest 10: ______
- Estimate 82 + 47 by rounding each number to the nearest 10: ______
- Estimate 25 − 48 by rounding each number to the nearest 10: ______
- Estimate 55 + 77 by rounding each number to the nearest 10: ______
- Estimate 23 + 54 by rounding each number to the nearest 10: ______
- Estimate 45 + 57 by rounding each number to the nearest 10: ______
- Estimate 50 − 55 by rounding each number to the nearest 10: ______
- Estimate 45 + 68 by rounding each number to the nearest 10: ______
- Estimate 56 − 56 by rounding each number to the nearest 10: ______
- Estimate 70 + 86 by rounding each number to the nearest 10: ______