Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 69 + 53 by rounding each number to the nearest 10: ______
- Estimate 46 + 62 by rounding each number to the nearest 10: ______
- Estimate 68 + 28 by rounding each number to the nearest 10: ______
- Estimate 24 + 60 by rounding each number to the nearest 10: ______
- Estimate 78 + 75 by rounding each number to the nearest 10: ______
- Estimate 73 + 47 by rounding each number to the nearest 10: ______
- Estimate 37 − 71 by rounding each number to the nearest 10: ______
- Estimate 58 + 54 by rounding each number to the nearest 10: ______
- Estimate 39 + 81 by rounding each number to the nearest 10: ______
- Estimate 26 − 44 by rounding each number to the nearest 10: ______
- Estimate 31 + 55 by rounding each number to the nearest 10: ______
- Estimate 62 + 65 by rounding each number to the nearest 10: ______
- Estimate 89 + 22 by rounding each number to the nearest 10: ______
- Estimate 35 + 26 by rounding each number to the nearest 10: ______
- Estimate 80 − 28 by rounding each number to the nearest 10: ______
- Estimate 38 + 67 by rounding each number to the nearest 10: ______
- Estimate 63 + 27 by rounding each number to the nearest 10: ______
- Estimate 75 + 55 by rounding each number to the nearest 10: ______
- Estimate 64 + 39 by rounding each number to the nearest 10: ______
- Estimate 48 − 36 by rounding each number to the nearest 10: ______