Find the GCF of 18, 24, and 30 using listing method.
6
5
Find the GCF of 36, 54, and 72 using prime factorization.
18
5
Find the GCF of 42, 56, and 70 using continuous division.
14
5
Find the LCM of 6, 8, and 12 using listing method.
24
5
Find the LCM of 9, 12, and 15 using prime factorization.
180
5
Find the LCM of 10, 12, and 15 using continuous division.
60
5
A school wants to form marching groups of boys, girls, and teachers. There are 18 boys, 24 girls, and 30 teachers. What is the greatest number of groups that can be formed if each group has the same number of boys, girls, and teachers?
Three bells ring at intervals of 6 minutes, 8 minutes, and 10 minutes. If they all rang together at 8:00 AM, at what time will they ring together again?
Make the model and give the equivalent mixed fraction.
6 1/2
10
The ______________ property of addition states that when adding three or more numbers, the way you group them (using parentheses) doesn't change the sum.
