Estimation Worksheet
Name: ____________________Date: ____________
Instructions: Estimating sums, differences, and products by rounding and compatible numbers.
20 problems
- Estimate 56 + 42 by rounding each number to the nearest 10: ______
- Estimate 75 − 78 by rounding each number to the nearest 10: ______
- Estimate 74 − 44 by rounding each number to the nearest 10: ______
- Estimate 23 − 85 by rounding each number to the nearest 10: ______
- Estimate 44 + 72 by rounding each number to the nearest 10: ______
- Estimate 57 − 52 by rounding each number to the nearest 10: ______
- Estimate 36 + 86 by rounding each number to the nearest 10: ______
- Estimate 84 − 50 by rounding each number to the nearest 10: ______
- Estimate 87 − 36 by rounding each number to the nearest 10: ______
- Estimate 32 − 79 by rounding each number to the nearest 10: ______
- Estimate 88 − 23 by rounding each number to the nearest 10: ______
- Estimate 78 − 43 by rounding each number to the nearest 10: ______
- Estimate 70 + 69 by rounding each number to the nearest 10: ______
- Estimate 32 + 74 by rounding each number to the nearest 10: ______
- Estimate 76 − 34 by rounding each number to the nearest 10: ______
- Estimate 69 + 56 by rounding each number to the nearest 10: ______
- Estimate 24 − 21 by rounding each number to the nearest 10: ______
- Estimate 49 − 27 by rounding each number to the nearest 10: ______
- Estimate 55 − 35 by rounding each number to the nearest 10: ______
- Estimate 56 + 55 by rounding each number to the nearest 10: ______