Ratios - year 9 revision

Simplify the ratio of
35 : 14

• 5 : 2
• 2 : 5
• 3 : 1
• 35: 14

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

88 students for 4 classes
How many students per class?

• 22 students per class
• 22 classes per student
• 25 students per class
• 25 classes per student

Tags

CCSS.6.NS.B.2

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?

• 35
• 60
• 18
• 50

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

Which is NOT equivalent to 3:5?

• 15:25
• 9:15
• 21:28
• 30:50

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

What is a Ratio?

• Is a comparison of two quantities 
• A rate with a denominator of one
• It is when the only factor the numerator and denominator share is a one 
• Two decimals that can be multiplied

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Split £20 into the ratio 7:3

• £12 : £8

• £7 : £3

• £6 : £14

• £14 : £6

Split £36 into the ratio 1:2

• £24 : £12

• £12 : £24

• £6 : £30

• £30 : £6

Write the ratio in simplest form.  Don't forget to make sure that you have the same units!
50 seconds: 2 minutes

• 50:2
• 25:1
• 50:120
• 5:12

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Write the ratio in simplest form.  Don't forget to make sure that you have the same units!
8 days: 10 weeks

• 8:70
• 4:35
• 8:30
• 2:3

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the ratio of dogs to total animals?

• 5:14

• 1:7

• 1:2

• 1:1

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2