Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 72 − 70 by rounding each number to the nearest 10: ______
- Estimate 31 + 76 by rounding each number to the nearest 10: ______
- Estimate 87 + 69 by rounding each number to the nearest 10: ______
- Estimate 56 + 30 by rounding each number to the nearest 10: ______
- Estimate 67 − 86 by rounding each number to the nearest 10: ______
- Estimate 84 + 81 by rounding each number to the nearest 10: ______
- Estimate 64 − 28 by rounding each number to the nearest 10: ______
- Estimate 78 − 49 by rounding each number to the nearest 10: ______
- Estimate 49 − 81 by rounding each number to the nearest 10: ______
- Estimate 83 − 44 by rounding each number to the nearest 10: ______
- Estimate 39 + 66 by rounding each number to the nearest 10: ______
- Estimate 47 − 65 by rounding each number to the nearest 10: ______
- Estimate 44 − 85 by rounding each number to the nearest 10: ______
- Estimate 36 − 56 by rounding each number to the nearest 10: ______
- Estimate 84 + 49 by rounding each number to the nearest 10: ______
- Estimate 27 + 25 by rounding each number to the nearest 10: ______
- Estimate 74 + 79 by rounding each number to the nearest 10: ______
- Estimate 39 + 86 by rounding each number to the nearest 10: ______
- Estimate 80 + 83 by rounding each number to the nearest 10: ______
- Estimate 30 − 28 by rounding each number to the nearest 10: ______