Learn how to be quick and better at Maths with this well-researched book that has an amazing collection of mathematical techniques from around the world. Use these sutras along with the activity sheets to master the secret know-hows and achieve exceptional results. Explore ingenious maths concepts and systems, and try your hand at popular puzzles like KenKen, Kakuro and Alphametics. Who says maths can't be fun? It's time to compute like a boss!