Download LCM/GCF foldable

Credits:
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Directions
Print and copy two sided, but you have to put
the other page of the foldable OPPOSITE
direction of the top so it copies correctly. ☺
I have included a key for you to use to complete
the foldable. You can add anything differently
if you would like to. I included a picture of the
key so you could see the way that I have used it.
If you have any questions, please contact me:
[email protected]
I hope that you enjoy this foldable as part of
your math lesson on GCF/LCM.
© Mixing it up in Middle 2015
Practice Examples:
1.What is the GCF of 20 and 36?
LCM?
2. Sarah is making treat bags for
her birthday party. She has 12
pencils, 8 erasers, and 6 notepads.
How many treat bags can she make
if she wants to use all of the items
with none left over, and an equal
amount of each item in the bags?
© Mixing it up in Middle 2015
3. Mary walks her dog every 2
days. Callie walks her dog every 3
days. In 30 days how many times will
they have walked their dogs on the
same day?
Finding the GCF Using
Prime Factorization
Find the GCF of 36 and 24:
Finding the LCM Using
Prime Factorization
Find the LCM of 12 and 32
Step 1: Follow steps 1 and 2
Step 1: Break each number
into its ________ ____________ that you used to find the
_________.
Step 2: Cross out each
Step 2: Write down and cross
___________ number that
our any ____________________
both numbers have in
__________ numbers.
______________, and
_______________________ once.
Step 3: ______________ the
Step 3: _______________ the numbers together to get the
numbers together to get the LCM.
GCF.
The GCF of 36 & 24 is:
The LCM of 12 and 32 is:
is
© Mixing it up in Middle 2015
Using GCF and LCM to
help you solve Real
World Problems:
GCF is helpful in scenarios
where…
LCM is helpful for scenarios
where…
Examples where the numbers
are SMALLER,
SMALLER you can just find
the factors using:
© Mixing it up in Middle 2015
© Mixing it up in Middle 2015