What is a comparison of two quantities?
A Ratio
What is equivalent ratios?
two ratios that represent the same amount when you compare them. (or similar)
What are three ways to write ratios?
As a fraction, with a colon (:), or with the word to. Ex: 3/4, 3:4, 3 to 4
In the workbench drawer, the ratio of hex bolts to all bolts is 0.06. Write the ratio as a fraction in simplest form.
The ratio of cups of peas to cups of carrots is 3 to 2. How much would be in a double, quadruple, and 5 batches?
6 to 4, 12 to 8, 15 to 10
What are two diagrams you can use to represent ratios?
Double number lines, a picture diagram, a table, a tape diagram, snap cubes.
In a recent student government election, the ratio of students who voted for the winner to all the students who voted was 0.55. The number of students who voted was 60. How many votes did the winner get?
What is a double number line?
Two parallel number lines that shows equivalent ratios. (Or similar)
In basketball, Katrina makes 12 out of every 20 free throws. Her coach claims that if she tries 42 free throws, she should make 18 of them. Is the coach's claim correct?