Ratio and equivalent fractions

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

Match the following ways to write a ratio

• 6 : 4

• colon :

• to

• 4 to 2

• 1/7

• fraction

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Which of the following best describes what a ratio is?

• It's a comparison.

• It's a total.

• It's something multiplied by something else.

• It's a decimal.

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.

• 5 to 7
• 7 to 5
• 5 to 12
• 7 to 12

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

• 10

• 5

• 9

What is the ratio of red apples to green apples

• 7 apples to 3 green

• 4 red apples to 7 apples

• 4 red apples to 3 green apples

• 3 green apples to 4 red apples

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the ratio of triangles to squares?

• 2:6
• 5:6
• 3:4
• 4:3

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the ratio of oranges to bananas?

• 1:3

• 3:2

• 2:1

• 3:1

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the ratio of cats to dogs?

• 2:3

• 3:2

• 2:2

• 3:1

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

If 30 kids in the class like grape juice, how many kids like pineapple juice?  Use the tape diagrams to answer.

• 4
• 30
• 70
• 40