Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 78 − 65 by rounding each number to the nearest 10: ______
- Estimate 57 + 42 by rounding each number to the nearest 10: ______
- Estimate 30 − 76 by rounding each number to the nearest 10: ______
- Estimate 45 + 49 by rounding each number to the nearest 10: ______
- Estimate 80 + 28 by rounding each number to the nearest 10: ______
- Estimate 38 − 54 by rounding each number to the nearest 10: ______
- Estimate 26 + 42 by rounding each number to the nearest 10: ______
- Estimate 72 − 33 by rounding each number to the nearest 10: ______
- Estimate 38 + 41 by rounding each number to the nearest 10: ______
- Estimate 78 − 67 by rounding each number to the nearest 10: ______
- Estimate 32 − 31 by rounding each number to the nearest 10: ______
- Estimate 35 − 27 by rounding each number to the nearest 10: ______
- Estimate 35 + 25 by rounding each number to the nearest 10: ______
- Estimate 36 + 42 by rounding each number to the nearest 10: ______
- Estimate 72 − 59 by rounding each number to the nearest 10: ______
- Estimate 29 + 65 by rounding each number to the nearest 10: ______
- Estimate 60 + 81 by rounding each number to the nearest 10: ______
- Estimate 54 + 27 by rounding each number to the nearest 10: ______
- Estimate 54 + 55 by rounding each number to the nearest 10: ______
- Estimate 78 + 39 by rounding each number to the nearest 10: ______