What is the Ratio?
Mention the three forms that Ratio can be expressed using the following example.
In my fridge, for every 3 bananas, there are 4 strawberries.
With words: 3 bananas to 4 strawberries
With colon: 3:4
Fractional form: 3/4
Ratio
A relationship/comparison between two quantities.
In the election for class president, Rachel received 60 votes and Lucas received 10 votes. What is the ratio of the number of votes Rachel received to the number of votes Lucas received?
6:1
What is the fractional form of the ratio 5 boys in the chess club to 6 girls in the dance club?
5/6
Equivalent ratios
Ratios that represent the same part-to-part or part-to-whole relationship.
A ratio can represent part-to-________ relationships and part-to-_______ relationships.
part-to-part
part-to-whole
Draw a table with two examples to represent equivalent ratios of 5:3
*answers will vary
Proportion
Two equivalent ratios set equal to each other.
Sandhill Middle School has 532 students in the entire student body. There are 242 students who are girls. What is the ratio of boys to the entire student body, written as a fraction?
290/532
This chart shows the number of votes for class vice president.
For which two students was the ratio of votes 3:1?
Tom and Morgan
Give a real-world example of a ratio.
For an extra 50 points: Determine if it is a part-to-part or part-to-whole ratio.
*answers will vary