Show:
Arrays
Factors
Multiples
Divisibility Rules
Prime and Composite Numbers
100
Write a multiplication sentence for the following array... OOOOO OOOOO OOOOO
3 x 5 = 15
100
List all of the factors of 24 DAILY DOUBLE!!
1, 2, 3, 4, 6, 8, 12
100
What are the first 5 multiples of 2?
2, 4, 6, 8, 10
100
If a number ends with a 5 or a zero you know that is divisible by what number?
5
100
Define a prime number.
A number that is only divisible by itself and one.
200
Draw an array that represents the multiplication fact 2x3
OOO OOO
200
List all of the factors of 27
1, 3, 9, 27
200
What are the first 5 multiples of 8?
8, 16, 24, 32, 40
200
What are the divisibility rules to tell if a number is divisible by 3? DAILY DOUBLE!!
The sum of the numbers are divisible by 3
200
Prime or Composite? 24
Composite
300
Draw an array with 4 rows and 3 columns
OOO OOO OOO OOO
300
What is the GCF of 30 and 36
30 - 1, 2, 3, 5, 6, 10, 15, 30 36 - 1, 2, 3, 5, 6, 9, 12, 18, 36 6
300
What is the LCM of 3 and 4? DAILY DOUBLE!!
3 - 3, 6, 9, 12, 15 4 - 4, 8, 12, 16, 12
300
63 is divisible by what numbers?
3 and 9 and 7 and 21
300
Prime or Composite? 2,403 DAILY DOUBLE!!
Composite
400
Draw two different arrays that would equal 12
OOOOOO OOOO OOOOOO OOOO OOOO
400
What is the greatest common factor of 18 and 32
18 - 1, 2, 3, 6, 9, 18 32 - 1, 2, 4, 8, 16, 32 2
400
What is the LCM of 5 and 6?
5 - 5, 10, 15, 20, 25, 30 6 - 6, 12, 18, 24, 30 30
400
60 is divisible by what numbers?
2, 3, 5, 6, 10
400
List the first 5 prime numbers?
2, 3, 5, 7, 11