Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 69 − 69 by rounding each number to the nearest 10: ______
- Estimate 50 + 24 by rounding each number to the nearest 10: ______
- Estimate 73 + 80 by rounding each number to the nearest 10: ______
- Estimate 70 − 65 by rounding each number to the nearest 10: ______
- Estimate 74 − 26 by rounding each number to the nearest 10: ______
- Estimate 56 − 49 by rounding each number to the nearest 10: ______
- Estimate 48 − 83 by rounding each number to the nearest 10: ______
- Estimate 81 − 75 by rounding each number to the nearest 10: ______
- Estimate 73 − 34 by rounding each number to the nearest 10: ______
- Estimate 44 + 70 by rounding each number to the nearest 10: ______
- Estimate 61 + 39 by rounding each number to the nearest 10: ______
- Estimate 53 + 66 by rounding each number to the nearest 10: ______
- Estimate 40 + 22 by rounding each number to the nearest 10: ______
- Estimate 33 − 24 by rounding each number to the nearest 10: ______
- Estimate 65 − 83 by rounding each number to the nearest 10: ______
- Estimate 32 + 45 by rounding each number to the nearest 10: ______
- Estimate 47 − 28 by rounding each number to the nearest 10: ______
- Estimate 82 − 62 by rounding each number to the nearest 10: ______
- Estimate 81 − 33 by rounding each number to the nearest 10: ______
- Estimate 27 − 42 by rounding each number to the nearest 10: ______