Category 1
A number that has more than 2 factors.
What is a composite number?
A number that has exactly two factors.
What is a prime number?
Which number is prime? 70, 7, or 20?
What is 7?
Which number is composite? 12, 19, or 31
What is 12?
Two numbers that can be multiplied to get a product.
What are factors?
These numbers end with 0,2,4,6,or 8.
These numbers end with 1,3,5,7, or 9.
What are odd numbers?
Is the number one prime, composite, or neither?
What is neither?
14= 1x14, 14 x1, 2x7, 7x2
What are arrays for 14?
14= 1x14, 2x7
What are the factor pairs for 14?
Are 24, 48, and 72 multiples or factors of 24?
What are multiples?
Are 1,2, 4,8, and 16 factors or multiples of 16?
What are factors of 16?
True or False: 48 is a factor of 12.
What is false?
True or False: 55 is a multiple of 11.
What is true?
True or false: One of the factors of 5 is even.
28= 1, 2, 4, 7, 14, 28. Are these factors, factor pairs, or arrays of 28?
What are factors of 28?
20= 1x20, 2 x 10, and 4 x 5. Are these factors, factor pairs, or arrays for 20.
What are factor pairs of 20?
18= 1 x 18, 18 x1, 2x9, 9x 2, 3 x 6, 6x3- Are these factor pairs, arrays, or factors for 18?
Wha are arrays for 18?
2,3,7,11,13,17,19- Are these numbers prime or composite?
What are prime numbers?
4,20, 110, 120, and 200. Are these numbers prime or composite?
What are composite numbers?
24= 2 and 3- are these composite factors or prime factors of 24.
What are the prime factors of 24?
30= 6,10,15,30- Are these prime or composite factors of 30?
What are composite factors of 30?
Name a multiple of 12 that has a factor of 5.
What is 60?
What is 7 and 5 are factors of 35? What is 35 is a multiple of 7 and 5?
The number 2 is not composite. Explain.
What is 2 has only 2 factors which makes it composite?