Ratios.

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Presentation transcript:

Ratios

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?

A ratio is a comparison of two numbers.

A ratio can be written in different ways.

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

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

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

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)

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)

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)

Write a ratio for this picture.

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

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

What is the ratio of squares to circles?

What is the ratio of yellow teapots to total teapots?

What is the ratio of blue teapots to total teapots?

What is the ratio of total bags to orange bags?

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?

1 qt milk: 6 cats 1 qt milk: 10 kittens  With 3 quarts of milk and 15 cats, how many kittens can be fed with the leftover milk?