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Cubing 2-digit Number Cubing and Cube Roots Speed Math

[Speed Math] CUBING 2-DIGIT NUMBER

Here’s an example of a SPEED MATH shortcut for CUBING 2-DIGIT NUMBER : (Cub) 2D from the CUBING AND CUBE ROOTS category.

Cubing 2-digit Number

When can I use this method?

For cubing any 2 digit number.

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pdf Download Practice sheet for CUBING 2-DIGIT NUMBER

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Notes –

  1. Notice the way the individual values are added.
  2. This method uses the concept of (a + b)3 = a3 + 3a2b + 3ab2 + b3

Related Shortcuts –

None

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2 replies on “[Speed Math] CUBING 2-DIGIT NUMBER”

sir,
“Speed Math Shortcut – Cubing 2-Digit Numbers: Example 1” this is not suitable to 98 please check and mail solution to my mail id.
thank u,

-santhanam(india)

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