Understanding Ratios in Quilts, Paint, and Magic Spells

The video tutorial explains how to calculate and simplify ratios using examples of quilts, paint mixtures, and magic spells. It covers the process of determining equivalent ratios and applying multiplication to find missing values in tables. The tutorial also demonstrates how to simplify ratios to their lowest terms.

What is the ratio of blue squares to green squares in Kenzie's quilts?

• 3:2

• 3:5

• 5:3

• 2:3

Tags

CCSS.2.OA.A.1

If Quilt A has 21 blue squares, how many green squares does it have?

• 30

• 35

• 25

• 40

Tags

CCSS.5.OA.B.3

How do you calculate the number of blue squares in Quilt B if you know the number of green squares?

• Multiply by 4

• Divide by 4

• Multiply by 5

• Divide by 5

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the initial ratio of blue paint to red paint in the mixture?

• 3:5

• 6:10

• 5:3

• 10:6

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

How can the ratio of 10 cups of blue paint to 6 cups of red paint be simplified?

• 3:5

• 5:3

• 2:1

• 1:2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

In the paint mixture, how many cups of red paint are there for every 5 cups of blue paint?

• 5

• 4

• 3

• 2

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

What is the ratio of spells Luna casts to spells Ginny casts?

• 4:3

• 3:4

• 5:4

• 4:5

Tags

CCSS.2.OA.A.1

If Luna casts 20 spells, how many spells does Ginny cast?

• 25

• 20

• 15

• 30

Tags

CCSS.3.OA.A.3

How do you calculate the number of spells Ginny casts when Luna casts 20 spells?

• Divide by 4

• Multiply by 4

• Divide by 5

• Multiply by 5

Tags

CCSS.6.RP.A.3A

What is the equivalent ratio of 20 Luna spells to Ginny spells?

• 20:15

• 25:20

• 20:25

• 15:20

Tags

CCSS.6.RP.A.3A