FACTORS / MULTIPLES
What are all the FACTORS of 6?
1, 2, 3, 6
The equation 3 × 4 = 12 means:
A) 12 apples are 3 apples and 4 apples put together
B) 12 apples are 3 groups of 4 apples
C) 12 apples are 4 more than 3 apples
D) 3 apples split into 4 groups is 12 apples
B
Is 8 a PRIME or COMPOSITE number?
Why?
Composite:
More factors than 1 and itself
1, 2, 4, 8
Marcus has 15 toy cars. That is 3 times as many as Craig. Which two equations work?
A) 3 x C = 15
B) 15 × 3 = C
C) 15 – 3 = C
D) 15 ÷ C = 3
A & D
Pants cost $15. Shoes cost 3 times as much. How much are the shoes?
$45
What are two multiples of 12?
Varies... 12, 24, 36, 48, 60...
The equation 6 × 2 = 12 means:
A) 12 pencils are 6 groups of 2 pencils
B) 12 pencils are 6 pencils and 2 pencils put together
C) 6 pencils split into 2 groups is 12 pencils
D) 12 pencils are 2 more than 6 pencils
A
Is 11 PRIME or COMPOSITE?
How do you know?
PRIME: Its only factors are one and itself
PR1(ME)
Sarah has 24 marbles. That is 4 times as many as Jake. Which two equations work?
A) 24 = 4 × J
B) 24 ÷ J = 4
C) 24 – 4 = J
D) 24 × 4 = J
A & B
If 11 students get 6 folders each, how many folders in total?
66 folders
What are all the factors of 18?
1, 2, 3, 6, 9, 18
The equation 7 × 5 = 35 means:
A) 35 stickers are 7 stickers and 5 stickers put together
B) 7 stickers split into 5 groups is 35 stickers
C) 35 stickers are 5 less than 7 stickers
D) 35 stickers are 7 groups of 5 stickers
D
Is 15 PRIME or COMPSITE?
How do you know?
Composite: more factors than 1 and itself
1, 3, 5, 15
A bakery sold 40 muffins. That is 5 times as many as cupcakes. Which equation works?
A) 40 + 5 = C
B) 40 ÷ C = 5
C) 40 = 5 × C
D) 40 – 5 = C
A rectangle has an area of 36 and one side is 9. What is the missing side?
What are two multiples of 17?
Varies... 17, 34, 51, 68, 85...
The equation (4 × 9) + (3 × 7) = 57 means:
A) 57 pencils are 4 pencils and 9 pencils added together
B) 57 pencils are found by 4 students with 9 pencils each plus 3 students with 7 pencils each
C) 57 pencils are 4 less than 9 times 7
D) 57 pencils means 4 pencils split into 9 groups, then added to 3
B
Is 7 PRIME or COMPOSITE?
How do you know?
PRIME: Its only factors are 1 and itself
PR(1)ME
The blue table has 4 students with 7 pencils each. The yellow table has 5 students with 9 pencils each. Which two equations match?
A) 28 + 45 = ?
B) (4 x 7) + (5 x 9) =?
C) 11 + 14 = ?
D) 7 + 9 = ?
A & B
4 students at the red table each have 8 markers. The class has 5 times as many. How many markers total?
160 markers
What are all the factors of 36?
1, 36, 2, 18, 3, 12, 4, 9, 6
The equation (2 × 12) + (5 × 4) = 44 means:
A) 44 chairs are 2 chairs and 12 chairs put together
B) 44 chairs are 2 less than 12 times 5
C) 44 chairs are found by 2 tables with 12 chairs each plus 5 tables with 4 chairs each
D) 44 chairs means 2 chairs split into 12 groups, then added to 5
C
Is 23 a PRIME or COMPOSITE number?
How do you know?
PRIME: its only factors are 1 and itself
PR1(ME)
The art group has 3 students with 12 markers each. The science group has 6 students with 10 markers each. Which two equations match the story problem?
A) 15 + 16 = ?
B) (6 x 10) + (3 x 12) = ?
C) 9 + 22 = ?
D) 36 + 60 = ?
B & D
The green table has 5 students with 6 folders each. The red table has 6 students with 8 folders each. How many folders in total?
78 Folders