Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 81 + 85 by rounding each number to the nearest 10: ______
- Estimate 44 + 32 by rounding each number to the nearest 10: ______
- Estimate 27 − 69 by rounding each number to the nearest 10: ______
- Estimate 89 − 62 by rounding each number to the nearest 10: ______
- Estimate 58 + 88 by rounding each number to the nearest 10: ______
- Estimate 60 − 85 by rounding each number to the nearest 10: ______
- Estimate 85 − 79 by rounding each number to the nearest 10: ______
- Estimate 27 − 68 by rounding each number to the nearest 10: ______
- Estimate 75 − 68 by rounding each number to the nearest 10: ______
- Estimate 40 − 88 by rounding each number to the nearest 10: ______
- Estimate 58 + 51 by rounding each number to the nearest 10: ______
- Estimate 61 − 67 by rounding each number to the nearest 10: ______
- Estimate 42 − 62 by rounding each number to the nearest 10: ______
- Estimate 25 − 30 by rounding each number to the nearest 10: ______
- Estimate 69 − 78 by rounding each number to the nearest 10: ______
- Estimate 65 − 65 by rounding each number to the nearest 10: ______
- Estimate 66 + 23 by rounding each number to the nearest 10: ______
- Estimate 78 − 59 by rounding each number to the nearest 10: ______
- Estimate 76 − 27 by rounding each number to the nearest 10: ______
- Estimate 44 + 82 by rounding each number to the nearest 10: ______