Number Patterns & Rules
What comes next in the pattern: 2, 4, 6, 8, ___?
10
What are the factors of 12?
1, 2, 3, 4, 6, 12
Is 15 divisible by 5?
Yes
Is 11 prime or composite?
Prime
What is the first multiple of 6?
6
What is the rule for this pattern: 5, 10, 15, 20?
Add 5
True or False: 7 has more than two factors.
False
A number ends in 0. Which numbers is it divisible by?
2, 5, 10
Is 16 prime or composite?
What is the 3rd multiple of 8?
24
Fill in the blank: 3, 6, 12, 24, ___?
48
Which number has more factors: 18 or 20?
Is 48 divisible by 3?
Yes
Name as many prime numbers between 20 and 30.
23 and 29
Name all the multiples of 9 that are less than 50.
9, 18, 27, 36, 45
If a pattern starts at 7 and adds 3 each time, what is the 5th number?
19
Name all the factors of 24.
1, 2, 3, 4, 6, 8, 12, 24
Which rule tells you if a number is divisible by 2?
It ends in an even digit.
0, 2, 4, 6, 8
Which is the smallest prime number?
2
What is the smallest multiple of 4 and 6?
12
If a pattern starts at 443 and subtracts 37 each time, what is the 5th number?
295
How many factors does 72 have?
Is 125 divisible by 4?
No
How many prime numbers are there between 1 and 20?
8 (2, 3, 5, 7, 11, 13, 17, 19)
What is the 10th multiple of 7?
70