A pet store sold two cats. They sold six times as many dogs as they sold cats. How many dogs did they sell?
2 x 6 = ?
12 dogs
200
True or False: 4 is a factor of 48.
True
200
What is a MULTIPLE?
Multiples are the numbers we land on when we SKIP COUNT.
200
Prime or Composite: 23
23 is PRIME (Factors = 1, 23)
200
Sketch all the open arrays for the number 18
1 x 18
18 x 1
2 x 9
9 x 2
3 x 6
6 x 3
200
Vanessa sent 25 text messages a day. Mike sent 5 a day. How many times as many texts did Vanessa send than Mike sent?
5 x ? = 25
5 times as many texts
300
What are the factors of the number 24?
1, 2, 4, 6, 8, 12, 24
300
True or False: 4 is a multiple of 20.
FALSE. 4 is a FACTOR of 20.
300
What is a PRIME number? What is a COMPOSITE number?
A prime number has only 2 factors, 1 and itself. A composite number has more than 2 factors.
300
What is an array?
A numerical arrangement of rows and columns.
300
A restaurant sold eight times as many salads as they sold
steaks. If they sold four steaks, how many salads did they sell?
4 x 8 = ?
32 salads
400
What are FACTORS?
Factors are the numbers multiplied together to find a product.
Also acceptable: When skip counting, a factor is the number you skip count by.
400
Find the first 3 MULTIPLES of the number 16.
16, 32, 48...
400
Prime or Composite: 33
33 is composite (factors = 1, 3, 11, 33)
400
Sketch a perfect square array.
4
9
16
25
36
49
400
Miss Nemer is 5 feet tall. The tree in her backyard is 40 feet tall. How many times taller is the tree than Miss Nemer?
5 x ? = 40
8 times taller
500
What are the factors of the number 36?
1, 2, 3, 4, 6, 9, 12, 18, 36
500
What are the first 3 MULTIPLES of the number 36?
36, 72, 108...
500
Are prime numbers ALWAYS odd?
No! The number 2 is even and it is PRIME.
500
Sketch an open array for the number 32
1 x 32
32 x 1
2 x 16
16 x 2
4 x 8
8 x 4
500
This month, Cody collected 6 times as much money as last month for a fundraiser. Last month he collected $7.00. How much money did Cody collect this month?