Ratios
What is a ratio?
One number compared to another
4/24
What is an equivalent ratio?
Equivalent ratios: ratios that describe the same comparison; e.g., in a group of 8 adults and 6 children, the ratio of adults to children is 8:6 or 4:3
Jean has 13 apples, Connor has 12, and Luke has 14.
Write a ratio to compare the number of Connors apples to jeans.
12:14
If the ratio of boys to girls in a class is 2/3, how many girls are there if there are 12 boys?
18 girls
In the ratio 5:10, what is an equivalent form?
10 : 20
15:30
etc
Write a statement for this ratio :
24:1
There are 24 students to one teacher.
The ratio of 4/6 is equivalent to what simplified fraction ratio?
2/3
f you have the ratio 4:6, what is an equivalent ratio when simplified?
2:3
A recipe calls for 12 cups of flour for every 45 cups of sugar. What is the ratio of flour to sugar?
12:45
If the ratio of apples to oranges is 1/2, how many oranges do you have for every apple?
2 oranges for every 1 apple
The ratio 3:5 is equivalent to what other ratio when both terms are multiplied by 2?
6:10