Factors or Multiples
List the first 8 multiples of 3.
3, 6, 9, 12, 15, 18, 21, 24
What is the difference between prime and composite numbers?
34 ÷ 3
11 R1
5 x 23
115
Gianna is getting candy for her class for Valentines day. There are 32 people in her class and the candy comes in packs of 4. How many packs of candy does she need to buy?
32 ÷ 4 = p
p = 8
8 packs of candy
List the factors of 25 in order.
1, 5, 25
Is 30 prime or composite? Prove it!
Composite (1, 2, 3, 5, 6, 10, 15, 30)
456 ÷ 4
114
214 x 9
1,926
John has 6 bunches of bananas. Each bunch has 5 bananas. How many total bananas does John have?
6 x 5 = b
b = 30
John has 30 bananas.
Which below is not a multiple of 9?
A) 63
B) 18
C) 1
D) 72
C) 9
Is 19 prime or composite? Prove it!
Prime (1,19)
616 ÷ 9
68 R4
7,032 x 8
56,256
There are 135 chairs. Bob needs to put the chairs into 9 equal rows. How many chairs will be in each row?
135 ÷ 9 = c
c = 15
15 chairs will be in each row.
Which list below contains all the factors for 56?
A) 0, 1, 2, 4, 14, 28, 56
B) 1, 2, 4, 14, 28, 56
C) 1, 2, 4, 7, 8, 14, 28, 56
D) 0, 1, 2, 4, 7, 8, 14, 28, 56
C) 1, 2, 4, 7, 8, 14, 28, 56
Is 2 prime or composite? Prove it!
Prime (1,2)
4,892 ÷ 6
815 R2
39 x 21
819
I had 3,705 marbles. I want to give each of my 6 friends an equal amount of marbles. After dividing them between each of my friends, how many will be left over?
3,705 ÷ 6 = m
m = 617 r 3
There will be 3 marbles left over.
List all the factors for 48 (in order).
1, 2, 3, 4, 6, 8, 12, 16, 24, 48
Is 1 prime or composite? Prove it!
Neither (1)
1,742 ÷ 13
134
56 x 28
1,568
Delaney sold 36 crates of Girl Scout Cookies. Each crate is packed with 18 boxes of cookies. If her goal is to sell 700 boxes, how many more boxes of cookies does Delaney need to sell?
36 x 18 = b
b = 648 cookies sold
700 - 648 = n
n = 52
Delaney needs to sell 52 more boxes of cookies.