Total and Part Math Ratio

What is the ratio of the hot dogs to cheeseburgers?

• 1:2

• 1:3

• 1:4

• 1:6

What is the ratio of monkeys to bananas?

• 5:4

• 5:9

• 4:9

• 4:5

Mary lost 3 out of 5 games. What is the ratio of games Mary lost to the games she won?

• 3/5

• 2/5

• 3/2

• 5/2

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

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?

• 35

• 60

• 18

• 50

Label the picture.

(Arrange everything in 1 straight line in the below.)

b

c

d

a

Extremes

Extremes

Means

Means

What is a Ratio?

• Is a comparison of two quantities 

• A rate with a denominator of one

• It is when the only factor the numerator and denominator share is a one 

• Two decimals that can be multiplied

Write how to find the proportion of

2:8 :: 25:625

(Do not give space first right the means than the extremes.)

Mathematical Equivalence

ON

What are the three different ways you can write a ratio?

• Fraction, comma, words

• Fraction, colon, words

• Colon, words, pictures

• Picture, fraction, comma

Andrew has 2 cats and 9 fish. He writes the ratio 2:11. What type of ratio did he write?

• Part-to-part

• Unit rate

• Part-to-whole

• Whole-to-part