Identify the Ratio
A shirt has 5 hearts for every 10 circles. What is the ratio of hearts to circles?
5 : 10 or 5/10
3 : 5 = __ : 15
What is the missing number?
9
5 : 8 = 20 : 32
What is the common number?
Yes, multiply by 4
15 : 21
5 : 7
Joei bought 27 fruits in the market, of which 12 are apples and 15 are oranges. What is the ratio of apples to all the fruits that she bought?
12 : 27 or 12/27
1 : 3 = 3 : __
What is the missing number?
9
7 : 2 = 28 : 10
What is the common number?
None
8 : 12
2 : 3
Mr. Carlson's Math class has 30 students, of which 12 are males and the rest are females. What is the ratio of females to all the students in the class?
18 : 30 or 18/30
__ : 6 = 15 : 18
What is the missing number?
5
2 : 5 = 12 : 30
What is the common number?
Yes, multiply by 6
20 : 48
5 : 8
There are 25 kids and 40 adults at a birthday party. What is the ratio of kids to all the guests at the party?
25 : 65 or 25/65
4 : __ = 36 : 45
What is the missing number
5
35 : 40 = 7 : 8
What is the common number?
Yes, divide by 5
36 : 48
3 : 4
At a book fair with 196 people, 82 bought a Harry Potter book. What is the ratio of people who did not buy a Harry Potter book to the total people at the book fair?
114 : 196
18 : 25 = __ : 150
What is the missing number?
108
25 : 18 = 5 : 6
None
50 : 75
2 : 3