Multiplication
4*5=
20
Samantha bought a dress and a sweater. The dress cost three time as much as the sweater. The is 18 dollars. How much is the sweater? Show your work.
18*3=
54 dollars
Is 2 Prime? Why
Yes, it only has one factor pair.
List all the factors of 12
1,2,3,4,6,12
List three multiples of 2
4,6,8
8*5=
40
Erics dad is four times older than eric is. Eric is 11 years old. How old is erics dad?
11*4= 44
No. It has more than one factor pair.
List all the factors of 5
1,5
List multiples of 6
12,18,24,30
12*5=
60
bob bought a video game and a dvd. the game coat 36 dollars. The dvd cost 9. How much more did the dvd cost?
36/9=
9*_=36
4 times more
Give me a prime number.
Answers will vary
List all the factors of 11
1,11
List multiples for 9
18,27,
8*9=
72
the green table has 6 student. Each student brought in 8 glue sticks. How many glue sticks are at the green table?
8*6=
48 glue sticks
Give me a composite number?
Answers will vary.
List all the factors of 24
1,2,3,4,6,8,12
List multiples of 11
22,33,44
15*3=
45
The blue table has 3 people. Each of them brought in 12 pencils. The red table has 4 people. Each of them brought in 10 pencils. How many pencils are there between both tables?
3*12=
4*10=
Add together to get 76 pencils
Can you use the example that they number is even or odd to tell me if a number is prime or composite?
No. Odd and even numbers can be both prime and composite.
List all of the factors 11.
1,11
List 2 multiples for 24
24,48