Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 32 − 78 by rounding each number to the nearest 10: ______
- Estimate 72 − 35 by rounding each number to the nearest 10: ______
- Estimate 69 + 24 by rounding each number to the nearest 10: ______
- Estimate 82 − 54 by rounding each number to the nearest 10: ______
- Estimate 76 − 57 by rounding each number to the nearest 10: ______
- Estimate 69 + 29 by rounding each number to the nearest 10: ______
- Estimate 78 + 86 by rounding each number to the nearest 10: ______
- Estimate 49 + 27 by rounding each number to the nearest 10: ______
- Estimate 55 + 70 by rounding each number to the nearest 10: ______
- Estimate 32 + 42 by rounding each number to the nearest 10: ______
- Estimate 34 + 89 by rounding each number to the nearest 10: ______
- Estimate 23 − 74 by rounding each number to the nearest 10: ______
- Estimate 28 − 33 by rounding each number to the nearest 10: ______
- Estimate 28 + 22 by rounding each number to the nearest 10: ______
- Estimate 76 − 66 by rounding each number to the nearest 10: ______
- Estimate 83 + 35 by rounding each number to the nearest 10: ______
- Estimate 87 + 65 by rounding each number to the nearest 10: ______
- Estimate 63 + 67 by rounding each number to the nearest 10: ______
- Estimate 80 + 21 by rounding each number to the nearest 10: ______
- Estimate 33 + 56 by rounding each number to the nearest 10: ______