Math is about identifying patterns, figuring out the relationships between concepts to work out a solution to a problem. Numbers and Place values is no different. These tips for grade KG, 1, 2, 3, 4, 5 and 6 will help in simplifying complex problems and understand different ways to reach the solution.
Visualisations and induction are some of the more common tricks that mathematicians use. Try out a few of these tricks for Numbers and Place values yourself.