Struggling with mental math? Students from class 6 to 10 now have a clever way to simplify tricky multiplication problems. The “doubling square” method turns large or complex calculations into quick, ...
Today we learned about square and rectangular numbers! But why do we call some numbers square and others rectangular? A number is considered a square or rectangular number based on the shape it makes!
The doubling square trick is a simple mathematical shortcut designed for class 6 to 10 students to make multiplication easier. By using the formula (n-1) × (n+1) = n² - 1, students can quickly ...