Students go over using number lines to solve the four equations in a fact family. In this lesson, students go over using number lines to solve the four equations in a fact family. Julia uses charts, ...

Addition & subtraction strategies to solve two-digit equations using an open number line. In this lesson, students go over using addition and subtraction strategies to solve two-digit equations using ...

This jingle has helped generations of algebra students recall the quadratic formula that solves every equation of the form $latex ax^2+bx+c=0$. The formula is as ...

(STACKER) – Let’s face it: Math can be a polarizing subject, especially among high school students who don’t think they’ll ever use it again after graduation. Sometimes kids might dread their ...