Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 38 − 53 by rounding each number to the nearest 10: ______
- Estimate 57 + 44 by rounding each number to the nearest 10: ______
- Estimate 56 + 76 by rounding each number to the nearest 10: ______
- Estimate 37 + 69 by rounding each number to the nearest 10: ______
- Estimate 30 + 61 by rounding each number to the nearest 10: ______
- Estimate 48 − 67 by rounding each number to the nearest 10: ______
- Estimate 37 + 44 by rounding each number to the nearest 10: ______
- Estimate 56 + 64 by rounding each number to the nearest 10: ______
- Estimate 59 − 49 by rounding each number to the nearest 10: ______
- Estimate 67 − 30 by rounding each number to the nearest 10: ______
- Estimate 81 − 47 by rounding each number to the nearest 10: ______
- Estimate 34 − 86 by rounding each number to the nearest 10: ______
- Estimate 43 + 26 by rounding each number to the nearest 10: ______
- Estimate 68 − 43 by rounding each number to the nearest 10: ______
- Estimate 53 + 54 by rounding each number to the nearest 10: ______
- Estimate 73 − 86 by rounding each number to the nearest 10: ______
- Estimate 31 + 49 by rounding each number to the nearest 10: ______
- Estimate 73 + 33 by rounding each number to the nearest 10: ______
- Estimate 54 + 61 by rounding each number to the nearest 10: ______
- Estimate 48 + 52 by rounding each number to the nearest 10: ______