What are the factors of 12?
1, 2, 3, 4, 6, and 12
What are the first 12 multiples of 3?
3,6,9,12,15,18,21,24,27,30,33,36
Is the number 1 prime or composite?
neither
What's the next number in the pattern:
6, 8, 10, 12, _____
14
What are the factors of 60?
1,2,3,4,6,10,15,20,30,60
What are the first 12 multiples of 8?
8,16,24,32,40,48,56,64,72,80,88,96
Is the number 18 prime or composite? What are the factors?
composite: 1,2,3,6,9,18
What are the next 2 numbers? 10, 16, 22, 28, ___, ___
34 and 40
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
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
Is the number 51 prime or composite? What are the factors?
composite: 1,3,17,51
What's the missing number?
45, _____, 59, 66, 73, 80
52
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
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
Is the number 79 prime or composite? What are the factors?
prime: 1,79
What are the missing numbers?
5, 8, 16, 19, ___, 41, 82, ___, 170
38 and 85
What are the factors of 120?
1,2,3,4,5,6,8,10,12,15,20,24,30,40,60,120
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
Is the number 603 prime or composite? How do you know?
Composite: 6 + 0 + 3 = 9, so 603 can be divided by 9
Describe the pattern. What number comes next?
90, 45, 40, 20, _____
15