GCF and LCM
Multiplying and Dividing Fractions
Ratios and Rates
100
GCF(30, 50)
16
100
5/3 X 9/2
45/6 or 7 1/2
100
If Mimi drives 50 miles in 2 hours, what is her rate (speed per hour)?
25 miles per hour
200
LCM(20 and 50)
100
200
4/5 X 23/10
92/50 or 1 42/50
200
If James types 120 words per 3 minutes, what is his rate per minute?
40 words per minute
300
GCF (96, 144)
48
300
1/3 ÷ 6 1/4
4/75
300
If 10 bags of Hot Cheetos cost $3.50, then how much does 1 cost?
$0.35
400
LCM(24, 40)
120
400
11/13 ÷ 11/13
1
400
Which is the better deal 20 dollars for 5 t-shirts or 24 dollars for 8 t-shirts? Why?
$24 for 8 t-shirts (rate of $3 per shirt)
500
Hot dogs come packed 10 in a package. Hot dog buns come packed 8 in a package. If we want one hot dog for each bun for a picnic with none left over, what is the LEAST amount of each we need to buy? How many packages of each item would we have to buy?
Four packages of hot dogs =40 hot dogs. Five packages of buns =40 buns. LCM (8,10)=40.
500
What is the quotient 6 and 5 1/2?
12/11
500
Julia texts 60 words in 4 minutes, then she texts 135 words in how many minutes?
9 minutes
M
e
n
u