Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 78 + 33 by rounding each number to the nearest 10: ______
- Estimate 82 + 42 by rounding each number to the nearest 10: ______
- Estimate 72 − 38 by rounding each number to the nearest 10: ______
- Estimate 38 + 28 by rounding each number to the nearest 10: ______
- Estimate 63 − 43 by rounding each number to the nearest 10: ______
- Estimate 89 − 54 by rounding each number to the nearest 10: ______
- Estimate 60 − 82 by rounding each number to the nearest 10: ______
- Estimate 88 − 34 by rounding each number to the nearest 10: ______
- Estimate 30 + 34 by rounding each number to the nearest 10: ______
- Estimate 86 + 59 by rounding each number to the nearest 10: ______
- Estimate 48 − 59 by rounding each number to the nearest 10: ______
- Estimate 46 + 51 by rounding each number to the nearest 10: ______
- Estimate 28 − 33 by rounding each number to the nearest 10: ______
- Estimate 66 − 24 by rounding each number to the nearest 10: ______
- Estimate 36 + 69 by rounding each number to the nearest 10: ______
- Estimate 78 + 76 by rounding each number to the nearest 10: ______
- Estimate 31 + 47 by rounding each number to the nearest 10: ______
- Estimate 70 + 30 by rounding each number to the nearest 10: ______
- Estimate 83 + 59 by rounding each number to the nearest 10: ______
- Estimate 76 − 55 by rounding each number to the nearest 10: ______