Greatest Common Factor
Least Common Multiple
Ratios
Rates and Unit Rates
More Ratios and Graphing
100
Find the GCF of 8 and 32
8
100
Find the LCM of 7 and 9
63
100
Express the ratio in simplest form that compares the number of yellow marbles to the total number of marbles.
1/5 or 1:5 or 1 to 5
100
72 ounces in 6 steaks
write as a unit rate
72/6 = 12/1
100
The #712 school bus traveled 150 miles on 10 gallons of gas. How many miles per gallon does the bus get?
15 miles per gallon
200
Find the GCF of 24 and 54.
6
200
Find the LCM of 6, 5, and 15
30
200
Determine the ratio that compares the number of cats seen to the total number of animals seen.
1:8
200
Determine if the rates are equivalent.
25 hours in 5 days; 8 hours in 2 days
Since the rates do not have the same unit rate, they are not equivalent.
200
For a school field day, 72 students are divided into 12 teams. If each team has the same number of students, use the ratio table to determine the number of students on 2 teams.
12 Students
300
Find the GCF of 8 and 14
2
300
Find the LCM of 9 and 15
45
300
The ratio of the number of miles walked by Fernando in a week to the number walked by Julia in a week is 4 to 3. Julia walked 15 miles. How many miles did Fernando walk in a week?
20 miles
300
4 movie tickets for $32; 8 movies for $96.
Determine if their rate is equivalent.
32/4 = 8/1 ; 96/8 = 12/1
Not equivalent!
300
To make coffee, one small scoop of coffee grounds is added to 2 cups of water. Use the ratio table to find how many cups of water to use for 5 scoops of coffee.
10 Cups of Water
400
Find the GCF of 21 and 24
3
400
Find the LCM of 5, 8, and 10.
40
400
What are the 3 ways to write a ratio?
2 to 6
2:6
2/6
400
3 hours worked for $12
9 hours worked for $36
equivalent or not
$4/1 and $4/1
Equivalent!
400
Which ordered pair names point K?
(2, 5)
500
Find the GCF of 38 and 49.
1
500
Find the LCM of 6, 9, and 2.
18
500
What should your check with your final answer when solving ratios?
Simplest form
Reduced all the way
500
Three African elephants can weigh a total of 13,500 pounds. At this rate, how many pounds do 2 African elephants weigh?
9,000 pounds
500
Express the ratio of 300 miles to 25 gallons of gasoline as a unit rate.
12 miles per gallon