Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 70 + 43 by rounding each number to the nearest 10: ______
- Estimate 80 − 80 by rounding each number to the nearest 10: ______
- Estimate 86 + 26 by rounding each number to the nearest 10: ______
- Estimate 89 − 37 by rounding each number to the nearest 10: ______
- Estimate 75 − 33 by rounding each number to the nearest 10: ______
- Estimate 84 + 31 by rounding each number to the nearest 10: ______
- Estimate 78 + 36 by rounding each number to the nearest 10: ______
- Estimate 21 − 54 by rounding each number to the nearest 10: ______
- Estimate 69 − 85 by rounding each number to the nearest 10: ______
- Estimate 39 − 24 by rounding each number to the nearest 10: ______
- Estimate 37 + 28 by rounding each number to the nearest 10: ______
- Estimate 65 − 37 by rounding each number to the nearest 10: ______
- Estimate 43 + 33 by rounding each number to the nearest 10: ______
- Estimate 66 + 61 by rounding each number to the nearest 10: ______
- Estimate 37 + 54 by rounding each number to the nearest 10: ______
- Estimate 48 − 82 by rounding each number to the nearest 10: ______
- Estimate 82 + 66 by rounding each number to the nearest 10: ______
- Estimate 43 + 57 by rounding each number to the nearest 10: ______
- Estimate 83 + 88 by rounding each number to the nearest 10: ______
- Estimate 85 + 55 by rounding each number to the nearest 10: ______