Factors
Multiples
Prime & Composite
Number Patterns
100

What are the factors of 12?

1, 2, 3, 4, 6, and 12

100

What are the first 12 multiples of 3?

3,6,9,12,15,18,21,24,27,30,33,36

100

Is the number 1 prime or composite?

neither

100

What's the next number in the pattern:

6, 8, 10, 12, _____

14

200

What are the factors of 60?

1,2,3,4,6,10,15,20,30,60

200

What are the first 12 multiples of 8?

8,16,24,32,40,48,56,64,72,80,88,96

200

Is the number 18 prime or composite? What are the factors?

composite: 1,2,3,6,9,18

200

What are the next 2 numbers? 10, 16, 22, 28,  ___, ___ 

34 and 40

300

E'Mariya was decorating her room. She arranged 63 picture tiles on a wall in the shape of a rectangle. Choose Yes or No to tell whether a possible arrangement of the picture tiles is shown.


Y,N,Y,Y,N

300

 A store in Roger’s neighborhood sells boxes of pencils that have 6 pencils in each box. Roger bought several boxes of pencils at the store. Which could be the number of pencils  he bought? Mark all that apply. 

A 9      B 18      C 20      D 24      E 34       F 42

 

B, D, and F

300

Is the number 51 prime or composite? What are the factors?

composite: 1,3,17,51

300

What's the missing number?

45, _____, 59, 66, 73, 80

52

400

Select the numbers that have a factor of 6. Mark all that apply.

A 12 

B  6 

C  3 

D 48 

E 42

F 31

 

A, B, D, E

400

If Mary inspects every sixth calculator and Nancy inspects every fifth calculator, which calculator will be the first that they both inspect?

the 30th calculator


5,10,15,20,25,30

6,12,18,24,30

LCM= 30


400

Is the number 79 prime or composite? What are the factors?

prime: 1,79

400

What are the missing numbers?

5, 8, 16, 19, ___, 41, 82,  ___, 170

38 and 85

500

What are the factors of 120?

1,2,3,4,5,6,8,10,12,15,20,24,30,40,60,120

500

Marsha uses 1 piece of paper and 1 piece of ribbon to make kites. The paper comes in packs of 3 pieces and the ribbon comes in packs of 4 pieces. What is the least number of kites Marsha can make without any supplies left over?

12

500

Is the number 603 prime or composite? How do you know?

Composite: 6 + 0 + 3 = 9, so 603 can be divided by 9

500

Describe the pattern. What number comes next?

90, 45, 40, 20, _____

15