Multiples
What are the first 5 multiples of 3:
3, 6, 9, 12, 15
What is the lowest common multiple of 2 and 5?
10
What are the factors for 8?
1, 2, 4, 8
How many factors does a prime number have?
2
A box of cookies has 27 cookies. How many total cookies are in 3 boxes?
81 cookies
What is the 4th multiple of 6?
24
What is the lowest common multiple of 4 and 6?
12
What are the factors for 9?
1, 3, 9
Which of the following is a prime number?
4, 7, 8, 10
7
If Mr. Grant walks 2km everyday, which of the following is NOT a possible number of kms walked after a random number of days?
a. 84
b. 106
c. 93
c. 93
What are the first 5 multiples of 7:
7, 14, 21, 28, 35
What is the lowest common multiple of 8 and 2?
8
What are the factors for 24?
1, 2, 3, 4, 6, 8, 12, 24
Which of the following is a prime number?
11, 12, 15, 18
11
If you have 24 students in your class and want to put them into groups of 5, will you be able to create equal groups?
No
Is 134 a multiple of 5?
No
What is the lowest common multiple of 6 and 9?
18
What are the factors for 36?
1, 2, 3, 4, 6, 9, 12, 18, 36
Classify the following number as prime or composite:
27
Composite
One bus leaves every 20 minutes. Another bus leaves every 15 minutes. If both busses leave at 8:00AM, when's the next time both busses will leave at the same time again?
9:00AM
The numbers 24, 40, 16, 32, and 8 are all multiples of what number?
a. 3
b. 4
c. 5
b. 4
What is the lowest common multiple of 7 and 8?
56
Which number below has exactly 3 factors?
a. 12
b. 9
c. 16
b. 9
Name a prime number that's larger than 30:
31, 37, 41, 43, 47, etc.
Hot dogs come in packs of 8. Hot dog buns come in packs of 6. What is the lowest number of packs of hot dogs and packs of hot dog buns that you can buy to avoid any leftovers?
3 packs of hot dogs (24) and 4 packs of hot dog buns (24)