Ratio and Equivalent Fraction Review

There are 15 boys to 12 girls in a class. if i want the ratio of girls to boys, what kind of ratio am I asking for?

• part to part

• half part

• part to whole

• no part

What are the three ways to write/express a ratio?

• To

  semi-colon

  division bar

• Fraction bar

  colon

  to

• Fraction bar

  semi-colon

  division bar

• To

  Fraction bar

  semi-colon

Determine if the pair of ratios or rates are equivalent.

$15 for 5 pairs of socks; $25 for 10 pairs of socks

• Yes

• No

What is the ratio of red apples to green apples

• 7 apples to 3 green

• 4 red apples to 7 apples

• 4 red apples to 3 green apples

• 3 green apples to 4 red apples

Select all ratios equivalent to 2/1.

• 24:12

• 4:2

• 9:7

• 11:5

Select all ratios equivalent to 3:5.

• 4:6

• 21:35

• 9:16

• 6:10

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

Tell if the ratio is part-to-part or part-to-whole.
4 apples to 3 oranges

• Part-to-Part

• Part-to-Whole

Simplify the ratio of
35 : 14

• 5 : 2

• 2 : 5

• 3 : 1

• 35: 14

For every $5 Carl spends on movies, he spends $15 on video games. Last month, she spent $60 on video games. How much did he spend on movies?

• $50

• $30

• $20

• $25