Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 53 + 72 by rounding each number to the nearest 10: ______
- Estimate 41 + 72 by rounding each number to the nearest 10: ______
- Estimate 52 + 42 by rounding each number to the nearest 10: ______
- Estimate 77 − 32 by rounding each number to the nearest 10: ______
- Estimate 78 + 54 by rounding each number to the nearest 10: ______
- Estimate 28 + 59 by rounding each number to the nearest 10: ______
- Estimate 30 + 44 by rounding each number to the nearest 10: ______
- Estimate 89 + 38 by rounding each number to the nearest 10: ______
- Estimate 24 − 24 by rounding each number to the nearest 10: ______
- Estimate 69 − 34 by rounding each number to the nearest 10: ______
- Estimate 64 + 33 by rounding each number to the nearest 10: ______
- Estimate 51 − 83 by rounding each number to the nearest 10: ______
- Estimate 67 + 60 by rounding each number to the nearest 10: ______
- Estimate 48 − 47 by rounding each number to the nearest 10: ______
- Estimate 59 − 33 by rounding each number to the nearest 10: ______
- Estimate 49 − 81 by rounding each number to the nearest 10: ______
- Estimate 33 − 44 by rounding each number to the nearest 10: ______
- Estimate 84 − 62 by rounding each number to the nearest 10: ______
- Estimate 66 + 51 by rounding each number to the nearest 10: ______
- Estimate 40 − 87 by rounding each number to the nearest 10: ______