Ratios and their Equivalents

A ratio is...

• A difference of two numbers.

• A relationship between two numbers.

• A comparison between two numbers.

• A number.

3 ways to write a ratio is.....

• read, write, demonstration
• to solve
• using to, using a colon, and as a fraction
• very important

A ratio can be written as all the ways below EXCEPT which one?

• 3=4
• 3:4
• 3/4
• 3 to 4

Ratios that have the same value.

• Ratio Table

• Constant

• Rate

• Equivalent Ratios

How do we calculate equivalent ratios?

• Adding

• Subtracting

• Multiplying

• Dividing

How can you prove 12:16 and 72:96 are equivalent ratios.

• Simplify the ratios, if they do not simplify to the same number then they are equivalent.

• Simplify the ratios, if they simplify to the same number then they are equivalent.

What is the ratio of red apples to green apples?

• 7 to 3

• 4 to 7

• 4 to 3

• 3 to 4

Use the shapes in the picture to write the ratio of STARS to SQUARES.

• 3 to 2

• 2 to 4

• 4 to 2

• 3 to 4

Patrick has 2 black, 3 red, and 5   white toy cars. What is the ratio of red toy cars to all the toy cars? 

• 3:5
• 1:3
• 3:11
• 3:10

A cookie recipe calls for 3 cups of flour and 2 cups of chocolate chips. What is the ratio of chocolate chips to flour?

• 3 : 2

• 3 to 2

• 6 : 4

• 2 : 3