Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 49 − 42 by rounding each number to the nearest 10: ______
- Estimate 34 + 43 by rounding each number to the nearest 10: ______
- Estimate 85 + 76 by rounding each number to the nearest 10: ______
- Estimate 79 + 76 by rounding each number to the nearest 10: ______
- Estimate 66 − 33 by rounding each number to the nearest 10: ______
- Estimate 59 + 31 by rounding each number to the nearest 10: ______
- Estimate 64 + 23 by rounding each number to the nearest 10: ______
- Estimate 65 + 30 by rounding each number to the nearest 10: ______
- Estimate 46 + 24 by rounding each number to the nearest 10: ______
- Estimate 32 + 78 by rounding each number to the nearest 10: ______
- Estimate 22 − 32 by rounding each number to the nearest 10: ______
- Estimate 59 − 24 by rounding each number to the nearest 10: ______
- Estimate 67 + 28 by rounding each number to the nearest 10: ______
- Estimate 76 + 62 by rounding each number to the nearest 10: ______
- Estimate 70 + 35 by rounding each number to the nearest 10: ______
- Estimate 89 − 27 by rounding each number to the nearest 10: ______
- Estimate 60 + 82 by rounding each number to the nearest 10: ______
- Estimate 31 − 89 by rounding each number to the nearest 10: ______
- Estimate 25 − 64 by rounding each number to the nearest 10: ______
- Estimate 86 − 69 by rounding each number to the nearest 10: ______