1. Solve for x: Choice: change to decimals or change to fractions Solve: Warm-Up: December 8, 2015

2. Homework Drawing Similar Figures Worksheet

3. Objective SWBAT compare ratios of area and ratios of perimeter of similar figures to scale factor. Write down the objective in your math journal in your own words.

5. What is the scale factor from the smaller figure to the larger figure? 3 ft 12 ft 4 ft 16 ft

6. What is the scale factor from the larger figure to the smaller figure? 3 ft 12 ft 4 ft 16 ft

7. What is the scale factor from the smaller figure to the larger figure? 2 in 10 in

8. What is the scale factor from the larger figure to the smaller figure? 6 mm 5 mm 42 mm 35 mm

9. What is the scale factor from the smaller figure to the larger figure? 4 yd 6 yd 10 yd 15 yd

10. What is the scale factor from the larger figure to the smaller figure? 4 yd 6 yd 10 yd 15 yd

11. What is the scale factor from the smaller figure to the larger figure? 2 in 5 in 6 in 15 in

12. 2 in 5 in 6 in 15 in How does the perimeter from the smaller figure to the larger figure change? How does scale factor effect perimeter?

13. 2 in 5 in 6 in 15 in How does the area from the smaller figure to the larger figure change? How does scale factor effect area? H I N T

14. What is the scale factor from the larger figure to the smaller figure? 2 in 5 in 6 in 15 in

15. 2 in 5 in 6 in 15 in How does the perimeter from the larger figure to the smaller figure change? How does scale factor effect perimeter?

16. 2 in 5 in 6 in 15 in How does the area from the larger figure to the smaller figure change? How does scale factor effect area? H I N T

17. What is the scale factor from the larger figure to the smaller figure? 3 cm 27 cm

18. 3 cm 27 cm How does the perimeter from the smaller figure to the larger figure change? How does scale factor effect the perimeter of the new figure?

19. What is the scale factor from the smaller figure to the larger figure? 2 in 12 in

20. 2 in 12 in How does the perimeter from the smaller figure to the larger figure change? How does scale factor effect the perimeter of the new figure?

21. How does the area from the smaller figure to the larger figure change? How does scale factor effect the area of the new figure? 2 in 12 in

22. What is the scale factor from the smaller figure to the larger figure? 42 mm 35 mm 6 mm 5 mm

23. How will the area from the smaller figure to the larger figure change? 42 mm 35 mm 6 mm 5 mm

24. What is the scale factor from the larger figure to the smaller figure? 11 cm 132 cm

25. 11 cm 132 cm How does the area from the larger figure to the smaller figure change? How does scale factor effect area?