Greatest Common Factor
Least Common Multiple
Which property do I use?
Mixture
GCF/LC
100
What is GCF of 12,20? You can use tree method or list.
4
100
What is LCM of 2,3? You can use one of the two methods I taught you.
18
100
Which property do I use when 9+3=3+9?
Commutative Property of Addition
100
What is the GCF of 6 and 12?
6
100
Which property do I use 9*1=9?
Identity Property of Multiplication
200
What is GCF of 16,36?You can use tree method or list.
4
200
What is LCM of 6,10?You can use one of the two methods I taught you.
30
200
Which property do I use when 6(7+2)=6*7+6*2?
Distributive Property
200
Which property do I use when 9(6+1)=9*6+9*1?
Distributive Property
200
Which property do I use when 15+4=4+15?
Commutative Property of Addition
300
What is GCF of 14,35? You can use tree method or list.
7
300
What is LCM of 4,9, and 24?You can use one of the two methods I taught you.
72
300
Which property do I use when 5+0=5?
Identity Property of Addition
300
Which property do I use (12*7)*8=12*(7*8)?
Associative Property of Multiplication
300
What is GCF of 27,36? You can use tree method or list.
9
400
What is GCF of 12,24,and 30? You can use tree method or list.
6
400
What is LCM of 50 and 90? You can use one of the two methods I taught you.
300
400
Which property do I use when 18*20=20*18?
Commutative Property of Multiplication
400
What is LCM of 50,100?
100,200,300
400
What is LCM of 25,30? You can use tree method or list.
150 and 300
500
What is GCF of 36,72, and 81? You can use tree method or list.
9
500
What is LCM of 42,60? You can use one of the two methods I taught you.
420
500
Which property do I use when (9+4)+3=9+(4+3)?
Associative Property of Addition
500
What is GCF of 40,60? You can use tree method or list.
20
500
What is GCF of 12,21,30? You can use tree method or list.
3
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