Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 42 + 36 by rounding each number to the nearest 10: ______
- Estimate 85 + 81 by rounding each number to the nearest 10: ______
- Estimate 36 − 55 by rounding each number to the nearest 10: ______
- Estimate 78 − 24 by rounding each number to the nearest 10: ______
- Estimate 75 + 52 by rounding each number to the nearest 10: ______
- Estimate 80 + 80 by rounding each number to the nearest 10: ______
- Estimate 60 + 49 by rounding each number to the nearest 10: ______
- Estimate 21 + 39 by rounding each number to the nearest 10: ______
- Estimate 48 + 45 by rounding each number to the nearest 10: ______
- Estimate 75 + 54 by rounding each number to the nearest 10: ______
- Estimate 42 − 42 by rounding each number to the nearest 10: ______
- Estimate 63 + 89 by rounding each number to the nearest 10: ______
- Estimate 60 + 55 by rounding each number to the nearest 10: ______
- Estimate 83 − 65 by rounding each number to the nearest 10: ______
- Estimate 55 + 22 by rounding each number to the nearest 10: ______
- Estimate 52 + 69 by rounding each number to the nearest 10: ______
- Estimate 59 − 65 by rounding each number to the nearest 10: ______
- Estimate 34 − 40 by rounding each number to the nearest 10: ______
- Estimate 51 − 72 by rounding each number to the nearest 10: ______
- Estimate 45 + 70 by rounding each number to the nearest 10: ______