Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 28 − 32 by rounding each number to the nearest 10: ______
- Estimate 75 + 57 by rounding each number to the nearest 10: ______
- Estimate 85 + 58 by rounding each number to the nearest 10: ______
- Estimate 44 + 74 by rounding each number to the nearest 10: ______
- Estimate 45 + 63 by rounding each number to the nearest 10: ______
- Estimate 88 + 69 by rounding each number to the nearest 10: ______
- Estimate 79 + 62 by rounding each number to the nearest 10: ______
- Estimate 65 + 41 by rounding each number to the nearest 10: ______
- Estimate 40 − 34 by rounding each number to the nearest 10: ______
- Estimate 41 − 77 by rounding each number to the nearest 10: ______
- Estimate 33 − 32 by rounding each number to the nearest 10: ______
- Estimate 24 + 84 by rounding each number to the nearest 10: ______
- Estimate 84 − 79 by rounding each number to the nearest 10: ______
- Estimate 69 + 50 by rounding each number to the nearest 10: ______
- Estimate 28 + 34 by rounding each number to the nearest 10: ______
- Estimate 61 − 41 by rounding each number to the nearest 10: ______
- Estimate 23 − 68 by rounding each number to the nearest 10: ______
- Estimate 74 − 85 by rounding each number to the nearest 10: ______
- Estimate 61 − 47 by rounding each number to the nearest 10: ______
- Estimate 52 + 27 by rounding each number to the nearest 10: ______