Find the GCF
Find the GCF of 20 and 12
4
Find the LCM of 2 and 5
10
A number is divisible by 2 if ....
it is an even number
If you need to find out when two events will happen again at the same time, you are looking for the ________?
LCM
Prime or Composite?
17
prime
Find the GCF of 14 and 17
1
Find the LCM of 3 and 18
18
Is 234 divisible by 3? Why or why not?
Yes 2 + 3 + 4 = 9
9 is divisible by 3 so 234 is also divisible by 3
If you want to divide items into equal groups you are looking for the ___________.
GCF
Write using exponents
4x4x4x4x4x4x4
47
Find the GCF of 24 and 64
8
Find the LCM of 10 and 12
60
Is the number 345 divisible by 2, 3, 5, and 10?
2 no
3 yes
5 yes
10 no
Julia is creating centerpieces for the tables at a sweet 16 party. She has 30 pink flowers and 75 purple flowers. What is the greatest number of centerpieces she can make so that each centerpiece is the same with no extra flowers left over?
15
The answer to a multiplication problem is called a _________________
product
Find the GCF 13 and 39
Find the LCM of 8 and 12
24
Is the number 2,870 divisible by 10? Why or why not?
Yes! It ends in 0
1
Z-100 radio station is having a contest. Every 12th caller wins a $25 gift card. Every 36th caller wins free concert tickets. Which will be the first caller to win all 3 prizes?
36th caller
True or false
52 = 5 squared = 25
true
Find the GCF of 17 and 51
17
Find the LCM of 11 and 121
121
List the numbers that 5,880 is divisible by:
2, 3, 5, 7, 10
2 yes
3 yes
5 yes
7 yes
10 yes
Kevin is making bags of cookies for his friends. He makes 15 chocolate chip cookies and 25 sugar cookies.
A) What is the greatest number of equal bags he can make?
B) How many of each cookie will be in each bag?
A) 5 bags
B) 3 chocolate chip and 5 sugar cookies
What is 104 in standard form.
10,000