Instructions for Completing the Organizer:
1. Print the organizer onto colored paper.
2. Trim the edges.
3. Fold on the dotted line.
4. Cut on the solid lines between flaps up to the dotted fold line.
5. Have students fill in missing information.
The graphic organizers will fit into an interactive notebook after the edges are trimmed.
Greatest Common Factors (GCF)
Least Common Multiples (LCM)
List the factors of each number, and then
circle the greatest (largest) common factor.
List some multiples of each number, and then
circle the least (smallest) common multiple.
24 – ________________ 6 - _________________
32 - ________________
9 - _________________
Simply this fraction.
When adding 5/6 to 4/9 what would you
use for a common denominator?
__________________________
÷
24
=
32
÷
Real World Example
FACTORS of Some Common Numbers
4–1 2 4
6–1 3 6
8–1 2 4 8
9–1 3 9
10 – 1 2 5 10
12 – 1 2 3 4 6 12
14 – 1 2 7 14
15 – 1 3 5 15
16 – 1 2 4 8 16
18 – 1 2 3 6 9 18
24 – 1 2 3 4 6 8 12 24
28 – 1 2 4 7 14 28
30 – 1 2 3 5 6 10 15 30
32 – 1 2 4 8 16 32
36 – 1 2 3 4 6 8 12 18 36
40 - 1 2 4 5 8 10 20 40
42 – 1 2 3 6 7 14 21 42
48 – 1 2 3 4 6 8 12 16 24 48
56 – 1 2 4 7 8 14 28 56
60 – 1 2 3 4 5 6 10 12 15 20 30 60
Hotdogs
come
in
packages
of
10.
Hotdog buns come in
packages of 8. How
many
packages
of
hotdogs and hotdog
buns would you need
to purchase have the
same
amount
of
hotdogs and buns?
8-
_____________________________
__________________________________
I need to buy _________ packages of buns.
10 -
_____________________________
__________________________________
I need to buy _________ packages of hotdogs.
© Gay Miller
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