XtraMath helps kids gain fluency in addition, subtraction, multiplication, and division. The program is conceptually similar to flash cards. Credit: Ian Moore / mashable As COVID-19 was spreading last ...

Vedic Maths is a traditional mathematical system based on the Vedas. It helps you solve complex problems quickly and accurately. These effective tricks include a shortcut approach for addition, ...

Chinese Zhusuan is a time-honoured traditional method of performing mathematical calculations with an abacus. By moving beads along rods, practitioners can perform addition, subtraction, ...