Understanding Ratios and Proportions

This lesson covers the concept of equivalent ratios, explaining how to identify and create tables of equivalent ratios. Through various examples, such as paper maché, web design earnings, cornmeal juice, and fish tank problems, students learn to apply ratios in practical scenarios. The lesson emphasizes understanding the value of ratios and how to use them to solve real-world problems. It concludes with an exit ticket to reinforce learning.

What is the simplest form of the ratio 4:6?

• 2:3

• 3:4

• 1:2

• 4:5

If a ratio table starts with 1:2, what would be an equivalent ratio?

• 4:5

• 3:6

• 2:4

• 2:3

Leon earns $700 for every 3 web pages. How much does he earn for 6 pages?

• $2100

• $700

• $1400

• $2800

How many cups of cornmeal are needed for 45 gallons of water?

• 9

• 12

• 10

• 8

For every 12 inches of fish, how many gallons of water are needed?

• 8 gallons

• 15 gallons

• 12 gallons

• 10 gallons

How many fully grown goldfish can fit in a 40-gallon tank?

• 5

• 4

• 3

• 2

What is the ratio of steps between a father and his son if the father takes 3 steps and the son takes 5?

• 3:4

• 2:3

• 5:3

• 3:5

If you double the ratio 2:3, what is the new ratio?

• 5:7

• 6:9

• 4:6

• 3:5

What is the equivalent ratio of 6:9 in its simplest form?

• 2:3

• 3:4

• 1:2

• 4:5

If a goldfish grows to 12 inches, how many gallons of water does it need?

• 12 gallons

• 15 gallons

• 10 gallons

• 8 gallons