Show:
Factors
Multiples
Prime and Composite Numbers
Patterns
Misc. Exceptions
100
Which number is a factor of 24? 12, 9, 5, 7
12
100
Find the first 10 multiples of 6.
6, 12, 18, 24, 30, 36, 42, 48, 54, 60
100
Identify the following number as prime or composite. 45
45 is a composite number.
100

If 8 is a factor of 48, then what number is also a factor of 48?

6

100

True or False:  There are more prime numbers than composite numbers.

False

200
Which number is NOT a factor of 30? 5, 1, 8, 6
8
200
Find the first 10 multiples of 5. Find the first 10 multiples of 3. What is the Least Common Multiple that both 3 and 5 share?
Multiples of 5: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50 Multiples of 3: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30 Least Common Multiple: 15
200
Identify the following number as prime or composite. 23
23 is a prime number.
200

How many total factor pairs does the number 12 have?

6

200

True or False:  All prime numbers are odd.

False....because 2 is the only even prime number.

300
Which number is a factor of 10? 20, 12, 5, 3
5
300
Which is a list of multiples of 9? A) 9, 18, 28, 39 B) 9, 18, 27, 36 C) 9, 18, 25, 32 D) 9, 27, 34, 48
B) 9, 18, 27, 36
300
Identify the following number as prime or composite. 13
13 is a prime number.
300

True or False:  All prime numbers have the same number of factor pairs.

TRUE...they all have 1 pair.

300

The numbers 0 & 1 are considered to be which of the following:  Prime, Composite, or Neither

Neither

400
Which number is NOT a factor of 36? 12, 6, 4, 8
8
400
Find the first 10 multiples of 4. Find the first 10 multiples of 7. What is the Least Common Multiple that both 4 and 7 share?
Multiples of 4: 4, 8, 12, 16, 20, 24, 28, 32, 36, 40 Multiples of 7: 7, 14, 21, 28, 35, 42, 49, 56, 63, 70 Least Common Multiple: 28
400
Identify the following number as prime or composite. 28
28 is a composite number.
400

How many arrays can be assigned to each prime number?

2

400

True or False:  All even numbers (except 0 & 2) are composite.

True

500
List ALL of the factors of 24.
1, 2, 3, 4, 6, 8, 12, 24
500
Which is a list of multiples of 8? A) 16, 24, 32, 42 B) 8, 16, 26, 32 C) 16, 24, 32, 40 D) 8, 16, 32, 46
C) 16, 24, 32, 40
500
Identify the following number as prime or composite. 33
33 is a composite number.
500

How many arrays does a composite number have?

3 or more

500

True or False:  If I were to multiply a prime number by another prime number I would always get a product that was a prime number.

False because 5 x 7 = 35 and 35 is not prime.