Intro to Proportions

Do the ratios form a proportion?

• Yes, they form a proportion.
• No, they do not form a proportion.

Tags

CCSS.6.RP.A.3A

Do the ratios form a proportion?

• Yes, they form a proportion.
• No, they do not form a proportion.

Tags

CCSS.6.RP.A.3A

Solve the proportion.

• n=6
• n=24
• n=7
• n=8

Tags

CCSS.7.RP.A.2B

The ratio of the number of teeth on Gear A to the number of teeth on Gear B is 5 to 12.  How many teeth are on Gear B if there are 15 teeth on Gear A?

• 3
• 10
• 36
• 48

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

True or false?

6/7 = 15/14

• True

• False

Tags

CCSS.4.NF.A.2

True or False?

3/10 = 30/100

• True

• False

Tags

CCSS.4.NF.A.2

Which of the these is equivalent to 4/5?

• 12/16

• 12/15

• 12/25

• 20/30

Tags

CCSS.3.NF.A.3A

CCSS.3.NF.A.3B

CCSS.4.NF.A.1

What is the unit rate?

36 dogs in 3 cages

• 3 per cage

• 33 per cage

• 11 per cage

• 12 per cage

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the unit rate?

120 breaths in 4 minutes

• 30 breaths per minute

• 15 breaths per minute

• 124 breaths per minute

• 480 breaths per minute

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Lukas made $50 in 5 hours. How much did he make in 3 hours?

• $45

• $30

• $10

• $25

Tags

CCSS.6.RP.A.3B