1. Shaffer’s Math Presentation
Multiplying by Nine
9 x ? = ?

2. What is a simple way to remember how to multiply by nine? 9 x 6= ?
On a piece of paper, write 0-9 down the margin. As in this: 1 2 3 4 5 6 7 8 9

3. Next step
Then start at the bottom of your list and reverse 0-9 like this: 1 2 3 4 5 6 7 8 9 9 8 7 6 5 4 3 2 1

4. Next step WAMBO! It’s as easy as 1,2,3…. 1 x 9 = 2 x 9 = 3 x 9 =1 2 3 4 5 6 7 8 9 9 8 7 6 5 4 3 2 1

5. Math Rocks! In Review: Write 0-9 down your paper.
Then write 0-9 up from the bottom.
WAMBO! You’ve got the answers!
Now just plug in the problems.
Easy as 1,2,3,4,5,6,7,8,9,….