Factors
The first 5 multiples of 2
What is 2, 4, 6, 8, 10?
Write down the numbers that are prime in the group of numbers below.
1, 4, 12, 19, 2, 7, 13, 16, 18
What is 2, 7, 19, 13?
Which of the three numbers are composite?
3 4 17
What is 4?
What are 1, 2, 3, 4, 6, 12?
The first 5 multiples of 4
What is 4, 8, 12, 16, 20?
Write the numbers in the list that are prime.
21, 24, 29, 32, 39, 23, 27, 34, 38
What is 29, 23?
Which of the three numbers are composite?
What is 25?
The factors of 36
What are 1, 2, 3, 4, 6, 9, 12, 16, 36?
The first 5 multiples of 6
What is 6, 2, 18, 24, 30?
Write the numbers in the list that are prime
41, 47, 50, 54, 58, 42, 46, 51, 57
What is 41, 47, 51?
Which of the three numbers are composite?
What is 57?
The factors of 45
What is 1, 3, 5, 9, 15, 45?
The first 5 multiples of 9
What is 9, 18, 27, 36, 45?
Write the numbers that are prime
61, 64, 69, 75, 79, 62, 67, 73, 76
Which of the three numbers are composite?
What is 74?
The factors of 60
What is 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60?
The first 5 multiples of 12
What is 12, 24, 36, 48, 60?
Write the numbers that are prime
80, 87, 91, 97, 99, 83, 89, 94, 98
What is 87, 91, 97, 83, 89?
Which of the three numbers are composite?
87 89 97
What is 87?