Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 64 + 72 by rounding each number to the nearest 10: ______
- Estimate 66 − 44 by rounding each number to the nearest 10: ______
- Estimate 64 − 72 by rounding each number to the nearest 10: ______
- Estimate 53 + 80 by rounding each number to the nearest 10: ______
- Estimate 21 + 68 by rounding each number to the nearest 10: ______
- Estimate 65 − 74 by rounding each number to the nearest 10: ______
- Estimate 81 + 34 by rounding each number to the nearest 10: ______
- Estimate 61 + 59 by rounding each number to the nearest 10: ______
- Estimate 71 + 80 by rounding each number to the nearest 10: ______
- Estimate 68 + 60 by rounding each number to the nearest 10: ______
- Estimate 82 − 74 by rounding each number to the nearest 10: ______
- Estimate 70 − 33 by rounding each number to the nearest 10: ______
- Estimate 75 + 62 by rounding each number to the nearest 10: ______
- Estimate 72 + 46 by rounding each number to the nearest 10: ______
- Estimate 42 − 33 by rounding each number to the nearest 10: ______
- Estimate 33 − 34 by rounding each number to the nearest 10: ______
- Estimate 36 + 60 by rounding each number to the nearest 10: ______
- Estimate 80 − 78 by rounding each number to the nearest 10: ______
- Estimate 83 − 33 by rounding each number to the nearest 10: ______
- Estimate 85 + 44 by rounding each number to the nearest 10: ______