Understanding Ratios and Areas

This video tutorial covers Math 6 Unit 2 Lesson 2, focusing on representing ratios with diagrams. It begins with an introduction to ratios and reciprocal multiplication, followed by activities using Snap Cubes to visualize ratios. The lesson continues with paint mixing ratios and matching diagrams to spaghetti sauce recipes. The session concludes with a review of homework and additional practice on ratios.

What is the reciprocal of 4?

• 1/4

• 2

• 4

• 1/2

If you divide 24 by 4, what is the result?

• 6

• 8

• 4

• 12

How can 24 * 1/4 be expressed as a division problem?

• 24 / 4

• 24 * 1

• 24 / 1

• 24 * 4

In the Snap Cubes activity, if you have 5 red cubes, how many blue cubes are there?

• 2

• 3

• 5

• 4

What is the ratio of red to blue cubes in the Snap Cubes activity?

• 5:2

• 2:5

• 3:2

• 2:3

In the paint mixing example, what is the ratio of white to blue paint?

• 2:6

• 1:3

• 6:2

• 3:1

For every cup of white paint, how many tablespoons of blue paint are there?

• 3

• 6

• 2

• 1

In the flour and water example, what is the ratio of flour to water?

• 8:2

• 2:8

• 1:4

• 4:1

How many cups of flour are there for every pint of water?

• 1

• 8

• 2

• 4

In the spaghetti sauce activity, what shape represents tomato sauce?

• Rectangle

• Triangle

• Square

• Circle