Dr . Be t h M c C u llo c h V in s o n
A t h e n s St a t e U n iv e r s it y
P Gr a n t Fu n d in g , Su m m e r 2 0 0 0
...
Multip ationis thep e of addin e ual se
lic
roc ss
gq
ts
togthe
e r.

2

+

2

+

2

=

6

W e a d d e d 2 t h r e e t im ...
In s t e a d o f r e p e a t e d ly
a d d in g , w e c a n m u lt ip ly .

3
x2
6
Th is m e a n s “ 3 g r o u p s o f 2
e q u a ls 6 in a ll” .

3
x2
6
Th is m e a n s “ 2 g r o u p s o f 3
e q u a ls 6 in a ll” .

2
x3
6
Th is m e a n s “ 3 g r o u p s o f 4
e q u a ls 1 2 in a ll” .

3
x4
1
2
Th is m e a n s “ 4 g r o u p s o f 3
e q u a ls 1 2 in a ll” .

4
x3
1
2
Th is m e a n s “ 2 g r o u p s o f 6
e q u a ls 1 2 in a ll” .

2
x6
1
2
W e c a n a ls o u s e
m u lt ip lic a t io n t o f in d t h e
t o t a l n u m b e r in t h is s e t
w it h o u t h a v in...
3 x 6 = 1 8
6
3
Or w e c an
t u r n it t h e
ot h e r w ay an d
s h o w it lik e
t h is .
6

x

3 = 1 8
3

6
A Project Developed for
Preparing Tomorrow’s Teachers to Use
Technology (PT3)
By Dr. Beth McCulloch Vinson
Athens State Un...
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Multiplication 3rd

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Slides about multiplication taken from the web page http://math.pppst.com/

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Multiplication 3rd

  1. 1. Dr . Be t h M c C u llo c h V in s o n A t h e n s St a t e U n iv e r s it y P Gr a n t Fu n d in g , Su m m e r 2 0 0 0 T3
  2. 2. Multip ationis thep e of addin e ual se lic roc ss gq ts togthe e r. 2 + 2 + 2 = 6 W e a d d e d 2 t h r e e t im e s .
  3. 3. In s t e a d o f r e p e a t e d ly a d d in g , w e c a n m u lt ip ly . 3 x2 6
  4. 4. Th is m e a n s “ 3 g r o u p s o f 2 e q u a ls 6 in a ll” . 3 x2 6
  5. 5. Th is m e a n s “ 2 g r o u p s o f 3 e q u a ls 6 in a ll” . 2 x3 6
  6. 6. Th is m e a n s “ 3 g r o u p s o f 4 e q u a ls 1 2 in a ll” . 3 x4 1 2
  7. 7. Th is m e a n s “ 4 g r o u p s o f 3 e q u a ls 1 2 in a ll” . 4 x3 1 2
  8. 8. Th is m e a n s “ 2 g r o u p s o f 6 e q u a ls 1 2 in a ll” . 2 x6 1 2
  9. 9. W e c a n a ls o u s e m u lt ip lic a t io n t o f in d t h e t o t a l n u m b e r in t h is s e t w it h o u t h a v in g t o c ou n t t h e m .
  10. 10. 3 x 6 = 1 8 6 3
  11. 11. Or w e c an t u r n it t h e ot h e r w ay an d s h o w it lik e t h is .
  12. 12. 6 x 3 = 1 8 3 6
  13. 13. A Project Developed for Preparing Tomorrow’s Teachers to Use Technology (PT3) By Dr. Beth McCulloch Vinson Athens State University, School of Education http://www.athens.edu/vinsobm
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