Lesson 29: Ratio

Simplify

• 2:10

• 1:10

• 1:2

• 2:1

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Share 30 in the ratio 2:1

• 2:28

• 20:1

• 20:10

• 10:20

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CCSS.6.RP.A.1

CCSS.6.RP.A.3

Share 180 in the ratio 3:2:1

• 30:90:60

• 90:60:30

• 120:60:30

• 60:30:90

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

What is a Ratio?

• Is a comparison of two quantities 
• To multiply two fractions 
• A number over another number
• Two decimals that can be multiplied

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the ratio to the picture shown, triangles to squares?

• 2:6

• 5:6

• 3:4

• 4:3

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

A class has 30 students. 18 are boys. What is the ratio of boys to girls? (you must simplify)

• 12:18

• 3:2

• 30:18

• 18:7

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CCSS.6.RP.A.1

CCSS.6.RP.A.2

Person A and person B are sharing money in the ratio 4:2. Person A has $60 more than person B. How much does person B have?

• $10

• $50

• $30

• $15

LEO has $30. He splits it with his sister in the ratio 3:2. How much money does Leo have left?

• $12

• $18

• $6

• $3

England scored 30 goals in total. 10 were scored in the Euro Cup and 20 were scored in the World Cup. What ratio is appropriate?

• 30:20

• 10:20

• 2:1

• 10:30

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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

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CCSS.6.RP.A.1

CCSS.6.RP.A.2