Here’s an example of a **SPEED MATH** shortcut for **Multiplying a Number ending with 9: (Mul) NxM(LD9)** from the **MULTIPLICATION** category.

**When can I use this method?**

Although this can be used for multiplying any number with another number whose last digit is = 9, it is better suited for 2 or 3-digit numbers. Larger numbers could get increasingly difficult to multiply with this method.

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** Download Practice sheet for MULTIPLYING A NUMBER ENDING WITH 9**

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**Notes –**

- This method uses the concept a x (b-1) = ab – a

**Related Shortcuts –**

Multiplying a Number ending with 1: (Mul) NxM(LD1)

Multiplying a Number ending with 5:(Mul) NxM(LD5)

Multiplying Numbers using Aliquot Method: Mul) NxM(Aq)

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