Equivalent Ratios

What is a ratio?

• a box that plays music

• a comparison of 2 quantities

There are 3 ways to write a ratio.
Which is NOT a way to write a ratio?

• 1 : 2

• 1 and 2

•  $\frac{1}{2}$  

• 1 to 2

What is the ratio of squares to triangles?

• 6 : 3

• 3 : 9

• 3 : 6

Charles has 7 baseball cards, and Tracy has 10 baseball cards. What is the ratio of Charles's cards to Tracy's cards?

• 7:10

• 10:7

• 10:17

Equivalent means.....

• almost the same

• subtraction

• equal

Find the missing denominator to make these ratios equivalent.

 $\frac{1}{3}=\frac{4}{?}$  

• 3

• 6

• 12

Which ratio is equivalent to  $\frac{2}{3}$  ?

•  $\frac{6}{10}$  

•  $\frac{4}{6}$  

•  $\frac{1}{4}$  

What is the missing number in this ratio table?

• 15

• 25

• 10

Kay is purchasing apps on her iphone. Based on the table, how much would it cost for 7 apps?

• $3

• $21

• $24

Solve for A in the table.

• A= 45

• A= 10

• A= 9