Ratio and Proportion

Ratio and Proportion

How do we compare values using mathematical language?

Essential Question

Multiple Choice

What is the ratio of big green balls to small yellow balls?

• 4:5

• 5:4

• 4:9

• 5:9

Multiple Choice

What is the ratio of big green balls to all the balls?

• 4:5

• 5:4

• 4:9

• 5:9

Multiple Choice

What is the ratio of oranges to apples?

• 5:12

• 7:12

• 5:7

• 7:5

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Multiple Choice

What is the next equivalent ratio in the sequence?

• 5:10

• 5:15

• 6:12

• 8:16

Multiple Choice

What is the next equivalent ratio in the sequence?

• 5:20

• 8:32

• 12:24

• 10:20

Multiple Choice

What is the next equivalent ratio in the sequence?

• 9:12

• 14:20

• 10:25

• 12:30

Fill in the Blanks

Fill in the Blanks

Fill in the Blanks

Multiple Choice

If the ratio of girls to boys is 3:4, how many boys are there if there are 9 girls?

• 10 boys

• 11 boys

• 12 boys

• 13 boys

Multiple Choice

If the ratio of girls to boys is 3:4, how many boys are there if there are 12 girls?

• 14 boys

• 16 boys

• 18 boys

• 20 boys

Poll

How do you feel about ratio and proportion?

• I got this! I can teach someone about it.

• I think I need more practice.

• I'm confused. Can we have a consultation?