Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 69 + 69 by rounding each number to the nearest 10: ______
- Estimate 49 + 79 by rounding each number to the nearest 10: ______
- Estimate 65 + 80 by rounding each number to the nearest 10: ______
- Estimate 41 − 40 by rounding each number to the nearest 10: ______
- Estimate 54 + 27 by rounding each number to the nearest 10: ______
- Estimate 79 + 34 by rounding each number to the nearest 10: ______
- Estimate 87 − 45 by rounding each number to the nearest 10: ______
- Estimate 87 + 72 by rounding each number to the nearest 10: ______
- Estimate 84 + 30 by rounding each number to the nearest 10: ______
- Estimate 75 + 65 by rounding each number to the nearest 10: ______
- Estimate 72 + 43 by rounding each number to the nearest 10: ______
- Estimate 70 − 78 by rounding each number to the nearest 10: ______
- Estimate 37 + 87 by rounding each number to the nearest 10: ______
- Estimate 68 − 47 by rounding each number to the nearest 10: ______
- Estimate 75 + 44 by rounding each number to the nearest 10: ______
- Estimate 30 + 21 by rounding each number to the nearest 10: ______
- Estimate 47 − 64 by rounding each number to the nearest 10: ______
- Estimate 78 + 70 by rounding each number to the nearest 10: ______
- Estimate 49 − 32 by rounding each number to the nearest 10: ______
- Estimate 29 − 81 by rounding each number to the nearest 10: ______