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Factors
Prime and Composite
Number Patterns
What is my number?
Mixed Review
100
The answer to a multiplication problem is 42. If the multiplication problem is NOT 1 x 42, what could the multiplication problem be?
What is 2 X 21 or 6 x 7
100
Which of the following numbers in a composite number? 17, 19, 21, 23
The composite number is 21
100
What number is missing from the list below? 1220, 1224, 1228, 1232, _____, 1240
The number missing in the list is 1236
100
It has 1 factor. It is neither a prime number nor a composite number. What is my number?
My number is 1
100
Which two factors of 18 are both prime numbers? 2 and 3 2 and 9 3 and 6 3 and 9
2 and 3 are both factors of 18 and are BOTH prime numbers
200
5 and 9 are factors of what number?
What is 45
200
Name a prime number between 15 and 25
A prime number between 15 and 25 could be 17, 19, or 23
200
The following are multiples of________. 3, 6, 9, 12, 15, 18, 21, 24, 27, 30
The following are multiples of 3
200
It is greater than 35 but less than 55. It is a multiple of 8. What is my number?
My number could either be 40 or 48
200
8 X 7 =
What is 56
300
We are guessing Jose's number. The list below are the factors of Jose's number. 2 3 6 9 What is Jose's number 12, 24, 27 or 36?
What is 36
300
Out of the numbers listed below, which numbers are prime? 2, 3, 4, 11, 21
The prime numbers are 2, 3, 11
300
Which pattern uses the rule "add 3, multiply 2 "? A. 2, 5, 10, 12, 36, 39, 78 B. 2, 5, 10, 13, 15, 30, 33 C. 2, 5, 10, 13, 26, 29, 58 D. 2, 5, 10, 20, 23, 26, 52
C. 2, 5, 10, 13, 26, 29, 58
300
It is a multiple of 9. It is greater than 36 but less than 72. It is an even number. What is my number?
My number is 54
300
6 X 7 =
What is 42
400
List the factors of 18
What is 1, 2, 3, 6, 9, 18
400
It is a number that has more than two factors.
What is a composite number
400
What is the rule for the following number pattern? 3, 5, 10, 12, 24, 26, 52
What is add 2, multiply 2
400
It is greater than 60 but less than 75. It is a multiple of 2. The digits are the same. What is my number?
My name is 66
400
9 X 9 =
What is 81
500
List the factors of 100
1, 2, 4, 5, 10, 20, 25, 50, 100
500
Which of the following is not a prime number. 23, 25, 37, 43
25 is NOT a prime number
500
Following the rule "add 3, multiply 2" complete the following pattern 3, _____, ______, ______, _____, ______, ______
3, 6, 12, 15, 18, 36, 39
500
It is a multiple of 7. It is less than 98. It is an even number. The sum of the digits are 7. What is my number?
My number is 70
500
8 X 4 =
What is 32