Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 71 + 40 by rounding each number to the nearest 10: ______
- Estimate 39 + 79 by rounding each number to the nearest 10: ______
- Estimate 44 + 67 by rounding each number to the nearest 10: ______
- Estimate 36 + 84 by rounding each number to the nearest 10: ______
- Estimate 84 − 69 by rounding each number to the nearest 10: ______
- Estimate 60 − 62 by rounding each number to the nearest 10: ______
- Estimate 67 − 34 by rounding each number to the nearest 10: ______
- Estimate 65 − 78 by rounding each number to the nearest 10: ______
- Estimate 22 + 68 by rounding each number to the nearest 10: ______
- Estimate 62 + 60 by rounding each number to the nearest 10: ______
- Estimate 36 + 23 by rounding each number to the nearest 10: ______
- Estimate 65 + 39 by rounding each number to the nearest 10: ______
- Estimate 81 + 46 by rounding each number to the nearest 10: ______
- Estimate 44 − 83 by rounding each number to the nearest 10: ______
- Estimate 22 + 84 by rounding each number to the nearest 10: ______
- Estimate 44 + 74 by rounding each number to the nearest 10: ______
- Estimate 55 + 21 by rounding each number to the nearest 10: ______
- Estimate 60 − 89 by rounding each number to the nearest 10: ______
- Estimate 30 − 62 by rounding each number to the nearest 10: ______
- Estimate 21 + 57 by rounding each number to the nearest 10: ______