List the factors of 10
1,2,5,10
List some multiples of 10
10,20,30,40,50...
What does GCF stand for?
Greatest Common Factor
What does LCM stand for?
Least Common Multiple
Solve this using PEMDAS
(8+7) / 3
5
List the factors of 12
1,2,3,4,6,12
List some multiples of 5
5,10,15,20,25...
Find the GCF of 8 and 12
4
Find the LCM of 6 and 9
18
Mikey begins reading his book at 8:00 a.m. He stops reading at 9:04 a.m. How long did Mickey read his book?
1 hour and 4 mins
List the factors of 15
1,3,5,15
List some multiples of 3
3,6,9,12,15,18...
Find the GCF of 15 and 20
5
Find the LCM of 8 and 12
24
Solve this using PEMDAS
7 + 6^2 - 5
38
List the factors of 20
1,2,4,5,10,20
List some multiples of 7
7,14,21,28,35...
Find the GCF of 21 and 35
7
Find the LCM of 4 and 5
20
Mikey Mongoose begins at 2:35. It ends at 4:05. How long is the movie?
1 hour and 30 mins
1,100
2,50
4,25
5,20
10,10
List some multiples of 12
12,24,36,48,60...
Find the GCF of 6 and 18
6
Find the LCM of 8 and 10
40
Solve this using PEMDAS
(2x3)^2 - 7
29