What are the factors of 12?
1, 2, 3, 4, 6, 12
True
What is the rule?
2, 4, 6, 8, 10...
add by 2
What is a prime number?
A number that has exactly two factors.
A number that only has one factor pair.
A number that can only be multiplied by 1 and itself.
What is the first multiple of 9?
9
True or False: 5 is a factor of 45
True
What is the smallest composite number?
2, 4, 5, or 6
4
Continue the pattern: 3, 6, 12, 24,...
What is the rule?
48, 96
(Rule: multiply by 2)
The pattern is 5, 10, 20, 40
What is the rule? What would be the 7th number in the pattern?
Rule: Multiply by 2
7th number = 320
What are the first 4 multiples of 7?
7, 14, 21, 28
Name all the factor pairs of 24
(1, 24), (2, 12), (3, 8), (4, 6)
Is the number 1 prime, composite, or neither
neither
What is the rule?
50, 45, 40, 35,...
Subtract 5
What is a composite number?
A number with more than 2 factors.
A number with more than 1 factor pair.
If you skip count by 8, what number comes after 40?
48
Which number has more factors: 18 or 31?
18 (1, 2, 3, 6, 9, 18)
(31 is a prime number!)
Which prime number is the only even prime number?
2
Create a pattern that starts at 2 and follows the rule, "multiply by 3"
2, 6, 18, 54...
What are the only two numbers that are neither prime nor composite?
0, and 1
What are the first 5 multiples of 6?
6, 12, 18, 24, 30
I'm a two digit number. My factors are 1, 2, 4, 8, and 16. What number am I?
16
Out of the following numbers, which are prime?
19
21
23
25
19 and 23
If a pattern starts at 2 and doubles each time, what is the 6th number?
64 (2, 4, 8, 16, 32, 64)
The pattern is 2, 6, 18, 54..
What is the rule? What would be the 6th number in the pattern?
Rule: Multiply by 3
6th number = 486
If you're skip counting by 12, what number comes after 60?
72