Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 48 + 76 by rounding each number to the nearest 10: ______
- Estimate 25 − 27 by rounding each number to the nearest 10: ______
- Estimate 59 + 44 by rounding each number to the nearest 10: ______
- Estimate 37 + 69 by rounding each number to the nearest 10: ______
- Estimate 27 + 27 by rounding each number to the nearest 10: ______
- Estimate 32 + 53 by rounding each number to the nearest 10: ______
- Estimate 48 + 77 by rounding each number to the nearest 10: ______
- Estimate 75 + 37 by rounding each number to the nearest 10: ______
- Estimate 32 − 82 by rounding each number to the nearest 10: ______
- Estimate 34 − 83 by rounding each number to the nearest 10: ______
- Estimate 23 + 84 by rounding each number to the nearest 10: ______
- Estimate 29 − 74 by rounding each number to the nearest 10: ______
- Estimate 86 + 39 by rounding each number to the nearest 10: ______
- Estimate 65 − 63 by rounding each number to the nearest 10: ______
- Estimate 66 − 54 by rounding each number to the nearest 10: ______
- Estimate 77 − 60 by rounding each number to the nearest 10: ______
- Estimate 70 + 60 by rounding each number to the nearest 10: ______
- Estimate 84 + 28 by rounding each number to the nearest 10: ______
- Estimate 61 − 63 by rounding each number to the nearest 10: ______
- Estimate 47 + 52 by rounding each number to the nearest 10: ______