More on Formulas
Learn About the Game More on Formulas
This section picks up right after the intro. It uses clear steps to show why only matching terms combine in algebra. A solid grip on that idea makes the rest easier.
The lesson jumps in with real examples for kids. It reminds students that algebra only adds values of the same kind. Each step builds on the rule so nothing feels hidden.
The quadratic formula solves ax plus bx plus c equals zero. It takes minus b plus or minus the square root of b squared minus four a c and divides by two a. The Pythagorean theorem adds the squares of a triangle’s shorter sides to find its longest side. Multiply two, pi and the radius to see a circle’s circumference. A rectangle’s area comes from length times width. Simple interest comes from principal times rate times time.