9's Multiplication trick

So we need to learn our nines times tables.  Well here is a little trick that might help. 

•  Hold your hands in front of you with your fingers spread out, your palm toward you.

•  For whichever number you are multiplying by 9, count over that many fingers.  For 9 X 3 count from the left and bend your third finger (your left middle finger) down.  9 X 4 would be the fourth finger (left hand ring finger), 9 X 7 would be the 7th finger (ring finger on your right hand) etc.)

• Now count the fingers that are up before the finger you bent over, that's your tens place, and the fingers up on the right side of your finger bent over is in the ones place.  For 3 X 9 you have 2 fingers in front of the bent finger and 7 after the bent finger. (7 X 9, you have 6 fingers in front of the bent finger and 3 after the bent finger.)
• Thus the answer must be 27.  (Answer, 63)

This will work up to 9 X 10.

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