Mastering Mental Maths for the NLMO

In a timed competition like the National Level Mathematics Olympiad (NLMO), speed is as important as accuracy. Improving your mental math skills can give you a significant edge, allowing you to solve problems faster and save precious time for more complex questions.

Techniques and Shortcuts

This article covers various techniques to boost your mental calculation abilities. We'll explore Vedic math shortcuts for multiplication and division, techniques for squaring numbers quickly, and methods for fast percentage calculations. Daily practice is key. Dedicate 15-20 minutes every day to mental math exercises to build speed and confidence.

Mental math is a workout for your brain. The more you train it, the stronger it gets.

Visualization

Try to visualize numbers and operations in your head. For example, when adding large numbers, break them down into simpler parts (e.g., 48 + 35 = 40 + 30 + 8 + 5). This technique makes calculations more manageable and less prone to errors.