Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 50 − 32 by rounding each number to the nearest 10: ______
- Estimate 69 − 44 by rounding each number to the nearest 10: ______
- Estimate 87 + 70 by rounding each number to the nearest 10: ______
- Estimate 26 − 51 by rounding each number to the nearest 10: ______
- Estimate 56 − 75 by rounding each number to the nearest 10: ______
- Estimate 31 − 44 by rounding each number to the nearest 10: ______
- Estimate 51 + 23 by rounding each number to the nearest 10: ______
- Estimate 35 − 54 by rounding each number to the nearest 10: ______
- Estimate 65 − 82 by rounding each number to the nearest 10: ______
- Estimate 34 − 34 by rounding each number to the nearest 10: ______
- Estimate 46 − 38 by rounding each number to the nearest 10: ______
- Estimate 74 + 56 by rounding each number to the nearest 10: ______
- Estimate 85 + 24 by rounding each number to the nearest 10: ______
- Estimate 26 + 43 by rounding each number to the nearest 10: ______
- Estimate 26 + 74 by rounding each number to the nearest 10: ______
- Estimate 27 − 52 by rounding each number to the nearest 10: ______
- Estimate 79 − 70 by rounding each number to the nearest 10: ______
- Estimate 47 + 43 by rounding each number to the nearest 10: ______
- Estimate 55 + 61 by rounding each number to the nearest 10: ______
- Estimate 46 − 51 by rounding each number to the nearest 10: ______