Pinky And Thumb Hand Signal

Item 8. Percentages and proportionality and 7.Fracciones

1. Percentage and proportionality (jclic)
2. Problems
3. Exercises to print
4. percentages and decimals
5. Self
6. scale exercises (download)
7. Drawings and maps
8. Proportionality
9. Percentage and proportionality (the tank)
10. several Links