1.1 Ratios

What is a Ratio?

• Is a comparison of two quantities

• To multiply two fractions

• Strictly a fraction

• Two decimals that can be multiplied

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If there are 5 boys and 7 girls, write the ratio of girls to boys.

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow?

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

In the fruit bowl there are 4 apples, 2 bananas, and 5 pears. What is the ratio of ALL fruit to pears?

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which represents the relationship of oranges to fruit?

• 2:6

• 2:4

• 4:6

• 4:2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

How many different ways can you write a ratio

• 1

• 2

• 3

• 4

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A ratio can be written as all the ways below EXCEPT which one?

• 3=4

• 3:4

• 3 to 4

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

There are 13 boys and 10 girls in the classroom.  What is the ratio of boys to girls?

• 10 to 13

• 23 to 13

• 13 to 10

• 23 to 10

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

The pet shop has 2 dogs, 4 cats, and 5 hamsters. What is the ratio of dogs to all pets?

• 2:4

• 2:5

• 2:11

• 11:2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Tommy has a bag of LEGOS. There are 6 yellow, 3 red, and 8 blue LEGOS. What is the ratio in simplest form of red to yellow LEGOS?

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2