Understanding Ratios and Proportions

The video tutorial covers lesson nine on making tables of equivalent ratios. It introduces strategies like the double V diagram and tape diagrams to find equivalent ratios. The lesson explains scaling ratios up and down and organizing them in tables. Examples of vertical and horizontal tables are provided, demonstrating how to use these methods to solve real-world problems, such as calculating the amount of materials needed for paper mache or determining earnings from web design projects.

What is the result when both numbers in the ratio 2:3 are multiplied by 4?

• 8:12

• 10:15

• 4:6

• 6:9

What is the process called when you make a ratio smaller?

• Dividing

• Multiplying

• Simplifying

• Scaling up

What is the simplified form of the ratio 12:36?

• 1:2

• 1:3

• 2:3

• 3:4

In the vertical table example, what is the equivalent ratio of 4:6 when simplified?

• 4:5

• 3:4

• 2:3

• 1:2

What pattern is observed in the vertical table for the cups of water?

• Adding 2

• Adding 4

• Adding 3

• Adding 5

What is the equivalent ratio of 10:15 when simplified?

• 2:3

• 1:2

• 4:5

• 3:4

In the horizontal table example, how much does Javier earn for 6 pages?

• $2800

• $2100

• $1400

• $700

What is the ratio of pages to dollars for Javier's earnings?

• 3:700

• 6:1400

• 9:2100

• 12:2800

How many pages does Javier need to build to earn $4200?

• 12

• 18

• 15

• 21

What is the purpose of using tables in organizing ratios?

• To visualize data

• To make calculations easier

• To find patterns

• All of the above