Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 60 + 50 by rounding each number to the nearest 10: ______
- Estimate 67 − 75 by rounding each number to the nearest 10: ______
- Estimate 74 − 69 by rounding each number to the nearest 10: ______
- Estimate 64 + 34 by rounding each number to the nearest 10: ______
- Estimate 37 + 73 by rounding each number to the nearest 10: ______
- Estimate 26 + 55 by rounding each number to the nearest 10: ______
- Estimate 47 − 34 by rounding each number to the nearest 10: ______
- Estimate 85 + 26 by rounding each number to the nearest 10: ______
- Estimate 55 − 85 by rounding each number to the nearest 10: ______
- Estimate 53 − 39 by rounding each number to the nearest 10: ______
- Estimate 88 + 43 by rounding each number to the nearest 10: ______
- Estimate 46 + 44 by rounding each number to the nearest 10: ______
- Estimate 40 + 22 by rounding each number to the nearest 10: ______
- Estimate 89 + 80 by rounding each number to the nearest 10: ______
- Estimate 35 − 39 by rounding each number to the nearest 10: ______
- Estimate 55 − 79 by rounding each number to the nearest 10: ______
- Estimate 44 − 37 by rounding each number to the nearest 10: ______
- Estimate 89 − 28 by rounding each number to the nearest 10: ______
- Estimate 72 − 53 by rounding each number to the nearest 10: ______
- Estimate 63 − 80 by rounding each number to the nearest 10: ______