Exploring Ratio and Proportion Concepts

This video tutorial introduces students to the concepts of ratio and proportion. It explains how to write ratios in different forms, simplify them, and find equivalent ratios. The tutorial also covers the concept of proportion, demonstrating how to determine if two ratios are proportional using cross multiplication. Practical examples are provided to illustrate these concepts, including solving for missing terms in proportions.

What is the ratio of 3 apples to 6 mangoes in word form?

• 6 to 3

• 3 to 6

• 3:6

• 3/6

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

How is the ratio 3:6 written in fraction form?

• 6 to 3

• 3 to 6

• 3/6

• 6/3

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the simplified form of the ratio 3:6?

• 6:3

• 3:2

• 2:1

• 1:2

Tags

CCSS.6.RP.A.3A

Which of the following is an equivalent ratio to 1:2?

• 4:3

• 3:5

• 2:4

• 5:2

Tags

CCSS.6.RP.A.3A

What is a proportion?

• A comparison of two quantities

• A statement of equality between two ratios

• A way to simplify fractions

• A method to find missing terms

Tags

CCSS.7.RP.A.2A

Which of the following ratios is proportional to 1:3?

• 2:6

• 3:4

• 4:5

• 5:6

Tags

CCSS.7.RP.A.2A

How do you find the missing term in a proportion using cross multiplication?

• Divide the means by the extremes

• Multiply the means and extremes and then divide

• Add the means and extremes

• Subtract the means from the extremes

Tags

CCSS.7.RP.A.2B

If 2 cups of flour make 1 cake, how many cups are needed for 3 cakes?

• 4

• 3

• 5

• 6

Tags

CCSS.6.RP.A.3B

In the proportion 12:1 = 4:n, what is the value of n?

• 2

• 3

• 4

• 5

Tags

CCSS.7.RP.A.2B

If 3:3 = 9:n, what is the value of n?

• 1

• 2

• 3

• 4