Ratio Basics
There are 3 cats and 5 dogs.
Write the ratio of cats to dogs.
Answer: What is 3 : 5?
Which ratio is equivalent to 2 : 3?
A) 4 : 6
B) 3 : 5
C) 6 : 10
D) 5 : 2
Answer: What is 4 : 6?
How do I write out 2:6 as an ordered pair (coordinate)? Hint: (x,y)
(2,6)
Write the ratio 4 to 9 in three forms.
Answer: What are 4:9, 4 to 9, 4/9?
Multiply both parts of 3:4 by 5.
Answer: What is 15 : 20?
3:9 is equivalent to 6:___?
18
A class has 6 girls and 4 boys.
What is the ratio of girls to total students?
Answer: What is 6 : 10?
Which are equivalent to 4 : 5?
A) 8 : 10
B) 12 : 15
C) 16 : 20
D) 20 : 30
Answer: What are A, B, C?
Points: (1,4), (2,8), (3,12)
Do they form a straight line?
A student says:
2 : 5 = 4 : 15
Is this correct?
Answer: What is No?
A basket has 8 apples and 2 oranges.
Write the ratio of apples to oranges and simplify.
Answer: What is 8:2 = 4:1?
Find a missing value:
6 : 8 = 12 : ___
Answer: What is 16?
Points: (2,5), (4,10), (6,15)
What is the rule?
Answer: What is y = 2.5x?
Points: (1,3), (2,6), (3,11)
What is the error?
Answer: What is the pattern breaks; it should be (3,9)?