Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 65 − 34 by rounding each number to the nearest 10: ______
- Estimate 69 + 58 by rounding each number to the nearest 10: ______
- Estimate 39 + 83 by rounding each number to the nearest 10: ______
- Estimate 60 + 30 by rounding each number to the nearest 10: ______
- Estimate 74 − 48 by rounding each number to the nearest 10: ______
- Estimate 42 − 36 by rounding each number to the nearest 10: ______
- Estimate 61 − 26 by rounding each number to the nearest 10: ______
- Estimate 73 − 63 by rounding each number to the nearest 10: ______
- Estimate 87 + 74 by rounding each number to the nearest 10: ______
- Estimate 22 − 84 by rounding each number to the nearest 10: ______
- Estimate 23 − 82 by rounding each number to the nearest 10: ______
- Estimate 73 + 78 by rounding each number to the nearest 10: ______
- Estimate 75 + 50 by rounding each number to the nearest 10: ______
- Estimate 56 − 33 by rounding each number to the nearest 10: ______
- Estimate 42 − 56 by rounding each number to the nearest 10: ______
- Estimate 60 − 26 by rounding each number to the nearest 10: ______
- Estimate 86 + 39 by rounding each number to the nearest 10: ______
- Estimate 89 − 69 by rounding each number to the nearest 10: ______
- Estimate 51 + 74 by rounding each number to the nearest 10: ______
- Estimate 27 + 37 by rounding each number to the nearest 10: ______