Multiples/Factors
List all the factors in 20
1, 2, 4, 5, 10, 20
200 divided by 5
40
32 x 6
192
What is the difference between a prime and composite number?
Prime: only ONE factor pair
Composite: More than one factor pair
The length of a gift box under the tree is 13 inches and the width is 9. What is the area of the gift box?
117 inches squared
What are the first 5 multiples of 12?
12, 24, 36, 48, 60
140 divided by 7
20
65 x 3
195
Rule: Add 3
Part A: Complete the first six terms in Lucy's pattern.
Part B: Find the 20th term in the pattern
A: 3, 6, 9, 12, 15, 18
B: 60
Length: 15 inches
Width: 5 inches
What is the perimeter?
40 inches
List all the factors of 27
1, 3, 9, 27
126 divided by 6
21
22 x 7
154
Susan makes a number pattern by using the rule: Multiply by 2
4, 8, 16, 32, 64
Why are ALL of these numbers composite?
Length: 23 units
Width: 7 units
What is the area AND perimeter?
Area: 161 units squared
Perimeter: 60 units
List the first 4 multiples of 15 AND all the factors of 15
multiples: 15, 30, 45, 60
factors: 1, 3, 5, 15
148 divided by 4
37
43 x 8
344
Which of the following can be used to find 252 ÷ 3?
a) (24 ÷ 3) + (12 ÷ 3)
b) (240 ÷ 3) + (12 ÷ 3)
c) (250 ÷ 3) + (12 ÷ 3)
d) (252 ÷ 3) + (252 ÷ 3)
b) (240 ÷ 3) + (12 ÷ 3)
Find the area AND perimeter of the rectangle:
L: 22 cm
W: 3 cm
Area: 66 cm squared
Perimeter: 50 cm
Show TWO different ways to solve:
96 divided by 2
48
Work will vary
62 x 4
248
Which statement is true about the number 27?
a) 27 is a prime number because it is odd
b) 27 is a composite number because it is odd
c) 27 is a prime number because it only has two factors
d) 27 is a composite number because it has more than 2 factors
d) 27 is a composite number because it has more than 2 factors