Vocabulary
A number that can only be multiplied by 1 and itself
Prime Number
List the factors of 36
1, 2, 3, 4, 6, 9, 12, 18, 36
Check:
1x36
2x18
3x12
4x9
What are the multiples of 2?
2, 4, 6, 8, 10, 12, 14, 16, 18 20...
12.
Brooks is 6 years old. Brooks' mother is 6 times older than Brooks.
36 years old.
A whole number with multiple factors that can be multiplied together to get another whole number.
Composite Number
List the factors of 11.
1x11
What are multiples of 5?
5, 10, 15, 20, 25, 30....
8 x 3 = ?
24.
9 x 4 = 36.
(36 / 9 = 4)
A number that can be multiplied or divided by another whole number without a remainder.
Factor
List the factors of 20.
1,2,4,5,10,20
What are multiples of 10?
10, 20, 30, 40, 50, 60, 70...
9 x 6 = ?
54
Jim is 5 feet tall, the giant is 7 times the height of Jim. How tall is the giant?
The giant is 35 feet tall.
The following numbers are __________ of 11.
11, 22, 33, 44, 55, 66, 77, 88, 99
Multiples of 11
List the factors of 50.
1,2,5,10,25,50
15, 30, 45, 60, 75, 90...
12 x 9 = ?
108.
My halloween costume cost $20. My friend's costume cost $120. How many times more expensive is my friends costume than mine?
My friend's costume is 6 times more expensive than my costume.
Give an example of a prime number and a composite number.
Prime: 5, 17
Composite: 8, 12, 36
Pick a number and list the factors.
Student response
What are the multiples of 100?
100, 200, 300, 400, 500, 600, 700, 800...
8 x 12 = ?
96.
Fill in the blanks
Number of Students: 1 2 _ _ 9
Number of Folders: 8 _ 40 80 _
2 5 10 9
16 40 80 72