Ratios and Ratio Tables

If there are 5 boys and 7 girls, write the ratio of girls to boys.

• 5 to 7
• 7 to 5
• 5 to 12
• 7 to 12

Select TWO equivalent ratios for 8:10

• 10:8

• 4:5

• 40:40

• 80:100

A class is attended by 16 boys and 32 girls. Write the ratio of GIRLS to BOYS as a fraction in SIMPLEST FORM.

What is a Ratio?

• Is a comparison of two quantities 
• To multiply two fractions 
• A number over another number
• Two decimals that can be multiplied

Which one is a real life example of a RATIO?

• 12 noodles
• 4 meatballs : 1 cup of sauce
• 1 jar of sauce
• 15 desserts

Are the ratios 2:1 and 18:9 equivalent?

• No

• Yes

Select all ratios equivalent to 2/1.

• 24:12

• 4:2

• 9:7

• 11:5

• yes

• no

Mrs. Shelly paid $3 for 6 muffins and Mrs. Kloske paid $9 for 18 muffins.  

• yes, equivalent
• no, not equivalent