Ratios

What is a ratio?

• Ratios are complicated equations.

• Ratios are simple equations.

• Ratios are when you multiply or add.

• A ratio is a statement of how two numbers compare.

How does a ratio look like?

• 2;8

• 2'8

• 2:8

• 2/8

What is the simplified ratio of 15:300?

• 5:100

• 1:20

• 15:100

• 15:300

What do you do to simplify a ratio?

• Addition

• Subtraction

• Multiplication

• Division

What is a ratio most like?

• Division

• Fraction

• Multiplication

• Addition/subtraction

Are ratios used to distribute fairly among people?

• Yes

• No

Who discovered ratios?

• Greek mathematician Euclid

• George Markowsky of the University of Maine

• Aryabhatta

What is the ratio of lemon to water if you have 10 lemons and 1000ml water?

• 1:10

• 1:100

• 2:200

• 5:500

In a class there are 2 girls for every 3 boys. There are 30 children in the class. How many girls are there?

• 12

• 8

• 10

• 15

When are ratios most useful in real life?

• Distributing money

• Eating

• Cooking

• Playing cards