Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 54 − 60 by rounding each number to the nearest 10: ______
- Estimate 36 + 47 by rounding each number to the nearest 10: ______
- Estimate 75 + 83 by rounding each number to the nearest 10: ______
- Estimate 44 + 81 by rounding each number to the nearest 10: ______
- Estimate 73 − 78 by rounding each number to the nearest 10: ______
- Estimate 42 + 36 by rounding each number to the nearest 10: ______
- Estimate 75 + 82 by rounding each number to the nearest 10: ______
- Estimate 59 − 66 by rounding each number to the nearest 10: ______
- Estimate 84 − 34 by rounding each number to the nearest 10: ______
- Estimate 88 + 28 by rounding each number to the nearest 10: ______
- Estimate 69 + 45 by rounding each number to the nearest 10: ______
- Estimate 80 − 41 by rounding each number to the nearest 10: ______
- Estimate 53 − 85 by rounding each number to the nearest 10: ______
- Estimate 34 − 21 by rounding each number to the nearest 10: ______
- Estimate 57 − 37 by rounding each number to the nearest 10: ______
- Estimate 61 + 63 by rounding each number to the nearest 10: ______
- Estimate 35 + 67 by rounding each number to the nearest 10: ______
- Estimate 76 + 76 by rounding each number to the nearest 10: ______
- Estimate 83 − 40 by rounding each number to the nearest 10: ______
- Estimate 44 − 80 by rounding each number to the nearest 10: ______