Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 49 + 46 by rounding each number to the nearest 10: ______
- Estimate 52 − 24 by rounding each number to the nearest 10: ______
- Estimate 58 − 39 by rounding each number to the nearest 10: ______
- Estimate 38 + 75 by rounding each number to the nearest 10: ______
- Estimate 34 − 25 by rounding each number to the nearest 10: ______
- Estimate 85 + 65 by rounding each number to the nearest 10: ______
- Estimate 53 + 47 by rounding each number to the nearest 10: ______
- Estimate 44 + 46 by rounding each number to the nearest 10: ______
- Estimate 50 + 84 by rounding each number to the nearest 10: ______
- Estimate 67 − 36 by rounding each number to the nearest 10: ______
- Estimate 68 − 52 by rounding each number to the nearest 10: ______
- Estimate 61 − 59 by rounding each number to the nearest 10: ______
- Estimate 77 + 57 by rounding each number to the nearest 10: ______
- Estimate 66 + 66 by rounding each number to the nearest 10: ______
- Estimate 34 + 87 by rounding each number to the nearest 10: ______
- Estimate 30 + 35 by rounding each number to the nearest 10: ______
- Estimate 28 + 32 by rounding each number to the nearest 10: ______
- Estimate 76 + 34 by rounding each number to the nearest 10: ______
- Estimate 51 − 87 by rounding each number to the nearest 10: ______
- Estimate 37 + 82 by rounding each number to the nearest 10: ______