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Prime Factorization
GCF
Equivalent Fractions
LCM
Vocab
100
What is the Prime Factorization of 54? use a factor tree to help you.
What is 2 x 3 x 3 x 3
100
Whats the GCF of 12 and 18?
GCF= 3 x 2= 6
100
Can 1/4 go into 2/8? Explain your answer.
Yes because if you do 4 x 2=8 and 1 x 2= 2 so it does.
100
Find the LCM by listing the multiples of 6 and 8.
6: 6, 12, 18, 24, 30, 36, 42 8: 8, 16, 24, 32, 40, 48, 56, 64 answer: 24
100

Relatively Prime

When the GCF =1 between 2 or more numbers

200
Tell whether the number is prime or composite. 48, 57, 17, & 34
What is 1. composite 2. composite 3. prime 4. composite
200
Whats the GCF of 15 and 51?
GCF= 3
200
Write 45/81 in simplest form.
5/9
200
Find the LCM of 4 and 18 by using prime factorization.
LCM= 36
200

GCF

What is Greatest Common Factor

300
what are all the factors of 80?
What is 80-1,2,4,5,8,10,16,20,40,80
300
Whats the GCF of 26 and 55?
GCF= 1
300
Write two fractions that equal to 6/10.
3/5, 12/20, 18/30, 24/40, 30/50, 36/60 ect......
300
Find the LCM of 60 and 20 by using prime factorization.
LCM=2 x 2 x 5 x 3= 60
300

LCM

What is Least Common Multiple

400
Find the mean, median, mode, and range of the data. 20,12,9,5,2,and 25.
What is Mean-12.166666 Median-10.5 Mode-0 Range-23
400
Whats the GCF of 64, 40, and 56?
GCF= 2 x 2 x 2
400
Describe and correct the error in simplifying 42/63. 42/63= 6 x 7 change the seven to a 1. = 6 9 x 7 change the seven to a 1. = 9
They forgot to simplify the 6/9 and they changed the 7s to 1s when you only do that when your finding the simplest form of two numbers.
400
Find the LCM of 88, 77, and 66 by doing prime factorization.
LCM=11 x 2 x 2 x 2 x 3 x 7= 1,848
400

Another name for LCM

What is Common Denominator

500
Whats the Prime Factorization for 612?
What is 612= 3 x 2 x 3 x 2 x 17
500
Whats the GCF of 180 and 126? Using Prime Factorization.
GCF= 2 x 3 x 3= 18
500
Write the fraction in simplest form. 132/156
11/13
500
Find the LCM of 84 and 360 by doing prime factorization.
LCM=2 x 2 x 2 x 3 x 3 x 5 x 7= 2520
500

Simplest Form of a Fraction

When the numerator and denominator GCF =1 or they are Relatively Prime