Here’s an example of a **SPEED MATH** shortcut for **CUBING NUMBERS NEAR 10 : (Cub) Nr10 ** from the **CUBING AND CUBE ROOTS** category.

**When can I use this method?**

For cubing numbers near 10.

The number can be either < or > 10.

One can use this method to cube numbers away from 10 as long as it is comfortable to cube the difference portions.

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** Download Practice sheet for CUBING NUMBERS NEAR 10**

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**Notes –**

- This method uses the concept (10 + a)3 = [(10 + 3a) 102] + [(3a2) 10] + [a3], where ‘(10 + a)’ is the number near 10 and ‘a’ is the difference.
- Whenever the number is more than 10, the difference is written as positive (+ve).
- Whenever the number is less than 10, the difference is written as negative (-ve).

**Related Shortcuts –**

Cubing Numbers near 100: (Cub) Nr100

Cubing Numbers near 1000: (Cub) Nr1000

Cubing 2-digit Numbers near a Base: (Cub) NrB2

Cubing 3-digit Numbers near a Base: (Cub) NrB3

Cubing 4-digit Numbers near a Base: (Cub) NrB4

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