Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 38 + 76 by rounding each number to the nearest 10: ______
- Estimate 27 + 32 by rounding each number to the nearest 10: ______
- Estimate 82 + 75 by rounding each number to the nearest 10: ______
- Estimate 27 − 45 by rounding each number to the nearest 10: ______
- Estimate 52 + 31 by rounding each number to the nearest 10: ______
- Estimate 35 + 47 by rounding each number to the nearest 10: ______
- Estimate 47 + 77 by rounding each number to the nearest 10: ______
- Estimate 71 + 34 by rounding each number to the nearest 10: ______
- Estimate 49 + 39 by rounding each number to the nearest 10: ______
- Estimate 69 + 57 by rounding each number to the nearest 10: ______
- Estimate 57 − 50 by rounding each number to the nearest 10: ______
- Estimate 26 − 43 by rounding each number to the nearest 10: ______
- Estimate 42 − 64 by rounding each number to the nearest 10: ______
- Estimate 75 − 35 by rounding each number to the nearest 10: ______
- Estimate 53 + 43 by rounding each number to the nearest 10: ______
- Estimate 69 + 36 by rounding each number to the nearest 10: ______
- Estimate 30 + 42 by rounding each number to the nearest 10: ______
- Estimate 74 + 37 by rounding each number to the nearest 10: ______
- Estimate 47 − 64 by rounding each number to the nearest 10: ______
- Estimate 70 + 36 by rounding each number to the nearest 10: ______