The 999 Trick You Didn’t Learn in School

追加: 2026-05-05

[00:00:00]Check out this multiplication by 99 trick.

[00:00:02]So, you multiply 9 and 3, that give us 27. So, leave a space place it between.

[00:00:07]Then you write out this 99, that's 99.

[00:00:10]Similarly, 9 multiplied by 6, that will give us 54. Leave a space in between.

[00:00:14]All right, to the left over 99.

[00:00:16]Then lastly, [music] 9 multiplied by 7 will give us 63. Leave a space in between.

[00:00:21]That's 99, [music] you write it here.

[00:00:23]So, try these and try these, then leave the answer in the comment section below.

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