Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 34 − 67 by rounding each number to the nearest 10: ______
- Estimate 84 + 84 by rounding each number to the nearest 10: ______
- Estimate 72 + 74 by rounding each number to the nearest 10: ______
- Estimate 34 + 54 by rounding each number to the nearest 10: ______
- Estimate 86 − 61 by rounding each number to the nearest 10: ______
- Estimate 25 − 60 by rounding each number to the nearest 10: ______
- Estimate 67 − 24 by rounding each number to the nearest 10: ______
- Estimate 34 + 85 by rounding each number to the nearest 10: ______
- Estimate 38 + 41 by rounding each number to the nearest 10: ______
- Estimate 36 + 63 by rounding each number to the nearest 10: ______
- Estimate 80 + 38 by rounding each number to the nearest 10: ______
- Estimate 54 + 75 by rounding each number to the nearest 10: ______
- Estimate 55 + 77 by rounding each number to the nearest 10: ______
- Estimate 64 + 51 by rounding each number to the nearest 10: ______
- Estimate 87 + 86 by rounding each number to the nearest 10: ______
- Estimate 38 + 79 by rounding each number to the nearest 10: ______
- Estimate 70 + 48 by rounding each number to the nearest 10: ______
- Estimate 41 − 55 by rounding each number to the nearest 10: ______
- Estimate 25 − 89 by rounding each number to the nearest 10: ______
- Estimate 29 + 36 by rounding each number to the nearest 10: ______