That Nifty Number Nine

(Multiplying by 9)

To increase the volume of any video on this page, click on the play button, then move your curser over the speaker icon on the bottom left.  This will display a sliding bar that you can click on and hold while you slide it to the right to increase your volume.  (Or you might just need to turn up your speakers!... )

The Decimal System

Introduction to the Decimal System

"Nine" Video Links

Sad #9

"Nine, Nine, Nine"

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