Ratio and proportion

What is Ratio?

• Comparing 2 numbers

• Comparing ratios

• Addition of 2 ratios

• Ratio

The______of the terms of ratio is very important

What are the equivalent ratios for 40:80

• 1:2

• 20:40

• 80:40

• 10:20

• 80:160

80:160 in the simplest form

• 1:2

• 40:80

• 2:1

• 160:80

Ratio has no ______

The length of a pencil is 18cm and a pen is 20cm. What is the ratio of the length of the pen to the ratio of length pencil?

• 18:20

• 10:9

• 9:10

• 4:5

Find the ratio of 30 minutes to 45 minutes.

• 2:3

• 3:2

• 3:4

• 45:30

What are the number of methods to find ratio?

• 2

• 1

• 3

• 4

• 5

If two ratios are ______ we say that they are in proportion

These numbers are a _____

• Proportion

• single proportion

• Ratio