1. IBE
Which pitcher will have the stronger lemon flavor, or will they be the same?

2. IBE
How would you prove your answer to someone who does not agree with you?

3. Ratios

4. Definition A ratio is a comparison of two numbers.

5. A ratio can be written in different ways.

6. A ratio can be written in different ways.
3 women to
1 man

7. A ratio can be written in different ways.
3 women to
1 man
3:1

8. A ratio can be written in different ways.
3 women to
1 man
3:1
(for every 3 women there is one man)

9. A ratio can be written in different ways.
¾ are women and ¼ are men.
3 women to
1 man
3:1
(for every 3 women there is one man)

10. A ratio can be written in different ways.
This compares Part to Part
A ratio can be written in different ways.
¾ are women and ¼ are men.
3 women to
1 man
3:1
(for every 3 women there is one man)

11. A ratio can be written in different ways.
This compares Part to Part.
This compares Part to Whole.
A ratio can be written in different ways.
¾ are women and ¼ are men.
3 women to
1 man
3:1
(for every 3 women there is one man)

12. Write a ratio for this picture.

13. Write a ratio for this picture.
5 red balloons
to 4 yellow balloons.
5 reds: 4 yellows

14. Write a ratio for this picture.
5 red balloons
to 4 yellow balloons.
5 reds: 4 yellows
5/9 red and 4/9 yellow.

15. What is the ratio of squares to circles?

16. What is the ratio of yellow teapots to total teapots?

17. What is the ratio of blue teapots to total teapots?

18. What is the ratio of total bags to orange bags?

19. Problem Solving: A quart of milk can feed either 6 cats or 10 kittens
Problem Solving: A quart of milk can feed either 6 cats or 10 kittens.  Suppose there are 3 quarts of milk and 15 cats.   After all the cats are all fed, how many kittens can be fed with the leftover milk?

20. 1 qt milk: 6 cats qt milk: 10 kittens  With 3 quarts of milk and cats, how many kittens can be fed with the leftover milk?

21. Ratios Homework :. Page 23-24, #1-10
Ratios Homework : Page 23-24, #1-10 * For book problems, check answers to the odd- numbered problems in the back of the textbook Also… see the CCMS website for “Spy Guys”, a ratios practice activity.