Instead of memorizing the table 9, use your hands to multiply
Face your palms as shown above
If you have to mutliply 9 x 3, fold the 3rd finger
if you check now, there will be two fingers on left side and 7 fingers on right side
keep the left value in tens and right value in ones i.e. 2 7
Let us take one more example 9 x 7, now fold the 7th finger, you will have now 6 fingers on left side and 3 fingers on right side so the value will be 6 3
If you have to mutliply 9 x 3, fold the 3rd finger
if you check now, there will be two fingers on left side and 7 fingers on right side
keep the left value in tens and right value in ones i.e. 2 7
Let us take one more example 9 x 7, now fold the 7th finger, you will have now 6 fingers on left side and 3 fingers on right side so the value will be 6 3
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