Ratio and Proportion

Which of the following is not a proportion?

• $\frac{1}{2}\ =\ \frac{3}{6}$

• $\frac{4}{10}=\ \frac{16}{40}$

• $\frac{4}{5}=\frac{5}{6}$

• $\frac{9}{10}=\frac{18}{20}$

Determine the ratio of the following
'30 minutes to 2 hours'

• 30 : 2
• 1 : 4
• 1 : 6
• None of the above

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

In a class there are 30 boys and 12 girls. Find the ratio of number of boys to number of girls.

• 2 : 5
• 5 : 2
• 3 : 4
• None of the above

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

In a class there are 15 boys and 20 girls, find the ratio of number of girls to the total number of students in the class 

• 3 : 4
• 4 : 3
• 4 : 7
• 7 : 4

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Write if the given proportion is 'True' or 'False':
8 : 9 = 24 : 18

• TRUE
• FALSE

Tags

CCSS.7.RP.A.2A

Identify the number in the blank:
7 kg : _____kg = 14 m : 6 m 

• 3
• 6
• 4
• 2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

The angles of a triangle are in the ratio 1 : 2 : 3.  The angles are 

• 45⁰ , 45⁰, 90⁰
• 30⁰, 60⁰, 90⁰
• 90⁰, 60⁰, 30⁰
• 30⁰, 90⁰, 60⁰

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3

Write 'True' or 'False'.
6 : 8 and 9 : 12 are equivalent ratios of 3 : 4

• TRUE
• FALSE

Tags

CCSS.6.RP.A.3A

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs.  Write and solve a proportion to find the number of cats.

• c=15
• c=18
• c=21
• c=16

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

CCSS.6.RP.A.3

Which of these ratios is equivalent to 3:4?

• 12:9
• 9:20
• 9:12
• 803:804

Tags

CCSS.6.RP.A.3A