Weitere ähnliche Inhalte Ähnlich wie Powerpoint 18 multiplication (20) 2. Multiplication Facts
are easiest to learn when...
You find patterns.
You use rhymes.
You use stories.
You relate them to what
you already know.
3. Zero Pattern
0 times any number is 0
0 x 3 = 0
0 x 7 = 0
0 x 4 = 0
0 x 1 = 0
0 x 0 = 0
0 x 9 = 0
5. One’s Pattern
1 times any number is the
same number
1 x 3 = 3
1 x 7 = 7
1 x 4 = 4
1 x 1 = 1
1 x 2 = 2
1 x 9 = 9
7. Two’s Pattern
2 times any number is that
number doubled
2 x 3 = 6
2 x 7 = 14
2 x 4 = 8
2 x 1 = 2
2 x 2 = 4
2 x 9 = 18
9. Five’s Pattern - Step 1
Cut the number you are
multiplying in half
5 x 3 = 1.5
5 x 7 = 3.5
5 x 8 = 4
5 x 1 = .5
5 x 2 = 1
5 x 6 = 3
10. Five’s Pattern - Step 2
If you are multiplying an odd
number, drop the decimal point
5 x 3 =
5 x 7 =
5 x 5 =
5 x 1 =
5 x 9 =
1. 5
3. 5
2. 5
. 5
4. 5
15. Five’s Pattern - Step 3
If you are multiplying an even
number, just add a zero
5 x 2 =
5 x 6 =
5 x 4 =
5 x 8 =
5 x 10 =
1 0
3 0
2 0
4
0
5 0
20. Nine’s Pattern - Step 1
Subtract 1 from number you
are multiplying
9 x 3 = 2
9 x 7 = 6
9 x 8 = 7
9 x 1 = 0
9 x 2 = 1
9 x 6 = 5
21. Nine’s Pattern - Step 2
Add a 2nd number that totals
nine with the 1st number
9 x 3 = 2
9 x 7 = 6
9 x 8 = 7
9 x 1 = 0
9 x 2 = 1
9 x 6 = 5
7
3
2
9
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9
9
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9
30. Six’s Pattern (even #’s only)
Step #1 Cut the number you
are multiplying in half.
6 x 2 = 1
6 x 4 = 2
6 x 6 = 3
6 x 8 = 4
31. Six’s Pattern (even #’s only)
Step #2 The number you are
multiplying by 6 is the 2nd #.
6 x 2 = 1
6 x 4 = 2
6 x 6 = 3
6 x 8 = 4
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