22 questions
What are the factors of 25?
1, 2, 3, 5, 10, 15, 25
1, 5, 25
1, 25
1, 5
Find the greatest common factor of 20 and 30
2
5
10
15
The Greatest Common Factor of two prime numbers is
0
1
There are no common factors.
Themselves.
What is the GCF of 8 and 10?
1
3
4
2
What does GCF stand for?
Great Change Factors
Greatest Common Factor
Greatest Common Showman
Grandest Combined Factor
How do you find the multiples of a number?
Use division to find out what you multiply to make a multiple.
Use my multiplication facts and write them out.
Write down how many times that number appears in a multiplication table/chart.
Ap- What is the LCM of 2, 4, 6?
6
12
4
2
A prime number is:
A number that is made only by multiplying 1 and itself.
An odd number.
A popular number.
The least common multiple of two numbers.
Factors of 24
24= 1,2,3,4,5,6,12,24
24=1,2,3,4,6,8,12,24
24=2,4,6,8,12,24
Which is a factor of 15?
2
3
4
6
What we can multiply to get a certain number. 5 and 2 are ____________ of 10.
multiple
inverse operation
factor
divisor
Find the least common multiple (LCM) of 2 and 3.
2
3
6
12
Find the least common multiple (LCM) of 6 and 12.
3
4
6
12
Find the least common multiple (LCM) of 4 and 6.
4
6
12
24
Choose the correct list of the first five multiples of 6.
6, 12, 18, 32, 36
6, 14, 22, 28, 34
6, 12, 18, 24, 30
1, 6, 12, 18, 24
Check ALL the numbers that are multiples of 9.
3
9
18
24
36
What is the least common multiple of 5, 6, and 10?
10
13
21
30
Joe has listed the first 4 multiples of 7 as:
7, 14 , 22, 28
Which one is incorrect?
7
14
22
28
Which of these numbers is a multiple of 18?
2
6
35
54
Composite numbers:
Are always bigger than prime numbers
Have more than 2 factors
Have 2 pairs of factors
Don't have factors