Division
What is 20 ÷ 4?
5
What are the factors of 12?
1, 2, 3, 4, 6, 12
Name three multiples of 5.
5, 10, 15, 20, 25, 30... etc.
True or false: 1 is a prime number.
False
If Sarah has 24 candies and wants to share them equally among 6 friends, how many candies will each friend get?
Each friend will get 4 candies.
What is 76 ÷ 4?
19
What are the factors of 18?
1, 2, 3, 6, 9, 18
Name three multiples of 3.
3, 6, 9, 12, 15, 18, 21... etc.
Is 17 a prime number? Why or why not?
Yes, because there are no factor pairs for 17 other than 1 and 17.
There are 54 students in a class. If they are divided into groups of 9, how many groups are there?
There are 6 groups.
What is 183 ÷ 3?
61
What is a factor pair of 30?
1, 2, 3, 5, 6, 10, 15, 30 (any two of these)
Name a multiple of BOTH 4 and 6.
12, 24, 36.
Which number is prime: 15 or 19?
19
Ms. Sommers made 4 batches of pies for students who scored 85% or higher on their math test. There were a total of 96 pies. How many pies were in each batch?
24
What do I need to divide 66 by to get 22?
3
What is a factor pair of 24?
1, 2, 3, 4, 6, 8, 12, 24 (any two of these).
Name a multiple of 7 that ends in 2.
42, 112, 182...
List the prime numbers up to 20.
2, 3, 5, 7, 11, 13, 17, 19.
A library has 120 books, and each shelf can hold 8 books. How many shelves are needed to hold all the books?
15 shelves are needed.
If you divide a number by 5 and the answer is 12, what is the number?
60
What are 3 different factor pairs of 50?
1 and 50, 2 and 25, 5 and 10.
Name a multiple of 9 that ends in 2.
72, 162, 252...
What is the largest prime number less than 30?
29
Brenda said that the number 2 is prime becuase it has only two factors. Carla said that the number 2 is composite because it is even, and all even numbers are composite. Who is correct?
Brenda is correct.