Proportions

Which ratio below is proportional to the ratio  5/6?

• 6/5
• 50/75
• 25/30
• 12/10

Are the two ratios proportional?

• YES
• NO

Are the two ratios proportional?

• YES
• NO

Solve the proportion below

• 21
• 7
• 8
• 24

Solve the proportion below:

• 3
• 24
• 21
• 12

Solve the proportion below:

• 5
• 10
• 15
• 6

Solve the proportion below:

• 42
• 6
• 2
• 28

Solve the proportion below:

• 418
• 2
• 38
• 11

The class has 12 girls and 16 boys. What is the ratio of total students to boys? (simplest form)

• 28/16
• 7/4
• 16/28
• 12/16

What is a proportion?

• When two ratios can be simplified
• When two ratios are equivalent and show the same value
• When two ratios have the exact same numbers
• When two ratios can be multiplied by 2