Estimación Worksheet
Name: ____________________Date: ____________
Instructions: Estimar sumas, diferencias y productos mediante redondeo y números compatibles.
20 problems
- Estimate 39 + 78 by rounding each number to the nearest 10: ______
- Estimate 67 + 89 by rounding each number to the nearest 10: ______
- Estimate 21 + 42 by rounding each number to the nearest 10: ______
- Estimate 80 + 68 by rounding each number to the nearest 10: ______
- Estimate 32 − 55 by rounding each number to the nearest 10: ______
- Estimate 88 + 50 by rounding each number to the nearest 10: ______
- Estimate 51 − 50 by rounding each number to the nearest 10: ______
- Estimate 59 + 40 by rounding each number to the nearest 10: ______
- Estimate 70 − 28 by rounding each number to the nearest 10: ______
- Estimate 68 + 52 by rounding each number to the nearest 10: ______
- Estimate 46 − 33 by rounding each number to the nearest 10: ______
- Estimate 25 − 85 by rounding each number to the nearest 10: ______
- Estimate 24 − 49 by rounding each number to the nearest 10: ______
- Estimate 22 − 41 by rounding each number to the nearest 10: ______
- Estimate 87 − 89 by rounding each number to the nearest 10: ______
- Estimate 53 − 51 by rounding each number to the nearest 10: ______
- Estimate 51 − 23 by rounding each number to the nearest 10: ______
- Estimate 80 − 49 by rounding each number to the nearest 10: ______
- Estimate 55 − 23 by rounding each number to the nearest 10: ______
- Estimate 48 + 29 by rounding each number to the nearest 10: ______