1. Ratio A ratio is a _________of ____ separate but related quantities.

2. Ratios Example: Ratio of Georgia fans to Alabama fans 15 Georgia fans and 20 Alabama fans What is the ratio of GA fans to AL fans? The _____ of the ratio is very important— whichever word comes first, the _____ must come first. ___:___

3. Notations for ratios ____ different ways to write a ratio ___:____ ____notation ___to___ ____notation — ____notation

4. Describe these ratios. 1. 3:4 4. 3:7 2. 7 to 4 5. 7/3 3. 4/3 6. 4 to 7

5. Ratios can be written to compare ______ to a part, a ______ to the whole, or the whole to a ______.

6. Make your own ratios

7. Practice What if your ratio was 4:10—Florida wins to Georgia wins? In fraction form? — Since I can write my ratio as a _____, I can simplify it.

8. Equivalent Ratios _______ ratios are ratios that name the same ________. You can find an equivalent ratio by ______ or ______ both terms of a ratio by the same number.

9. Now you try it: Write 3 equivalent ratios comparing yoyo’s to bubbles.

10. You and your partner have 5 minutes to go find the following ratios in the room. Record both the original and simplest form of the ratio. 5 to 10 ⅞ 11:12 Boys to girls adults to kids

11. Proportions This is an example of a proportion. A proportion is an ________ that shows two __________ ratios.

12. Examples of proportions One bag of puppy chow lasts 4 weeks. Two bags of puppy chow lasts 8 weeks. 1 bag = 2 bags 4 weeks 8 weeks

13. Ratio site practice Let’s get started!