Prime or Composite
5
Prime
Factors: 1,5
List the factors of 12
1,2,3,4,6,12
List the first 5 multiples of 3
3,6,9,12,15
34 x 6=
204
length =15inches, width = 5inches
find the perimeter
40 inches
16
composite
factors: 1,2,4,8,16
List the factors of 24
1,2,3,4,6,8,12,24
List the first 5 multiples of 4
4,8,12,16,20
148÷4=
37
length =15inches, width = 5inches
find the area
75 square inches
23
Prime
Factors: 1,23
List the factors of 11
1,11
Is 24 a multiple of 3?
NO
Break apart 252 into 2 parts to divide by 3.
(____÷ _) + (___ ÷ __)
(240÷3) + (12 ÷ 3)
area = 35 square inched, width = 5 inches
Find the length
7 inches
36
Factors:
1,2,3,4,6,9,12,18,36
List the factors of 27
1,3,9,27
Is 75 a multiple of 25?
yes
8X14=
112
Find the perimeter:
Length = 12 feet, width = 10 feet
44 feet
49
composite
Factors:
1,7,49
List the factors of 28
1,2,4,7,14,28
Which of the following are multiples of 4?
2, 8, 14, 20, 43, 80
8, 20, 80
7x23=
161
find the area
length = 6 feet, width = 6 feet
36 square feet