Prime Factorization
GCF
LCM
Word Problems 1
Simplifying Fractions
100
What is the prime factorization of 18?
2 x 3 x 3
100
What is the GCF of 36 and 60
What is 12
100
What is the LCM of 10 and 12
What is 60
100
A high school swim team has 12 new female swimmers and 30 returning female swimmers. Each practice team must have the same number of new and returning female swimmers. What is the greatest number of practice teams the coach can make using every swimmer?
What is 6 practice teams
100
Simplify 3/12
What is 1/4
200
What is the prime factorization of 75?
3 x 5 x 5
200
What is the GCF of 45 and 75
What is 15
200
What is the LCM of 18 and 30?
What is 90?
200
You have piano lessons every 7 days and tuba lessons every 3 days. Today you have both lessons. In how many days will you have both lessons on the same day again?
What is 21 days
200
Compare

3/15           4/20

What is 3/15 = 4/20
300
What is the prime factorization of 84
What is 2 x 2 x 3 x 7
300
What is the GCF of 54 and 126?
What is 18
300
What is the LCM of 26 and 39
What is 78
300
You run one lap around a mile track every 8 minutes. Your friend runs around the same track every 10 minutes. You both start at the starting line at the same time. How long will it take for you to meet at the starting line again?
What is 40 minutes
300
Simplify


12/20

3/5
400
What is the prime factorization of 93
What is 3 x 31
400
What is the GCF of 78 and 117
What is 39
400
What is the LCM of 32 and 48?
What is 96
400
You are creating picnic baskets using 30 sandwiches and 42 cookies. What is the greatest number of baskets that you can fill using all of the food?
What is 6 baskets
400
Compare


2/3        5/6

What is  2/3 < 5/6
500
What is the prime factorization of 102
What is 2 x 3 x 17
500
What is the GCF of 53 and 86
What is 1
500
What is the LCM of 25 and 40?
What is 200
500
You have 126 pieces of chocolate candy and 60 pieces of hard candy to put into gift bags. You want identical groups of candy in each bag. What is the greatest number of candy bags that you can fill using all of the candy?
What is 6 gift bags
500
Simplify


15/20

What is 


3/4

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