GCF
LCM
Box Method
Listing Factors/Multiples
Miscellaneous
100
Find the GCF of 12 & 16
4
100

Find the LCM of 6 & 9

18

100
When finding GCF, do you multiply or divide the numbers on the outside of the box?
Multiply
100
When trying to find LCM, should you circle the greater of the common multiples, or the smallest?
The smallest
100

Earth is covered mostly by.....what?

Water

200

Find the GCF of 6 & 18

answer: 6 

plus 500 points

200

Find the LCM of 18 & 12

36

200
How many times do you have to keep dividing into the numbers that your trying to find the GCF or LCM of?
Until one is prime.
200
When list in you multiples, it's what you do to show that the list of multiples goes on forever.
What is comma dot dot dot?
200

What is the name for the number below the Fraction bar?

Denominator

Plus 500 points

300
Find the GCF of 20 & 35
5
300

Find the LCM of 9 & 12

36

300

What do you get for picking this card?

Extra points!!! add 500 points

300
List the factors of 18 and 6, the circle the GCF.
18:1,2,3,(6),9,18 6:1,2,3,(6)
300

What is the name of the gas in the air that keeps us alive.

Oxygen

400

Find the GCF of 45 and 60

15

400

Find the LCM of 60 & 75

300


Bonus.... double the points

400
When try to find the LCM, what do you multiply as your last step?
The bottom right and top left.
400
When you are listing your multiples do you need to add, or subtract?
Add
400

The imaginary line around the middle of the Earth that divides it into the Northern and Southern Hemispheres.

What is the Equator?

500

The third planet from the sun

What is Earth?

500

What teacher teaches 6th grade Social Studies and Science.

Mr. Morris......

500

Do you divide by prime, or composite numbers?

Prime

500
What do you use GCF & LCM for in your every-day life?
Finding out how many groups of something you need or can have and putting people or things into groups.
500

True or False

8/12=6/9


True

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