The Case of the Missing Middle Term

This problem is sure to get your young mathematicians thinking. The idea sounds simple: one equation, solve it as many ways as you can. This is meant to get at a deeper understanding of solving quadratic equations, including some more...

In this solving equations learning exercise, 9th graders solve and complete 21 various types of problems. First, they use the method shown to find the value of xin each equation. Then, students use an algebraic approach to solve the...

Explore the science behind Earth's amazing diversity of life with this lesson on genetics. Looking at specific traits in piebald deer, carnations, and roan cattle, young scientists use Punnett squares to determine the possible genotypes...

Introduce young mathematicians to the concept of factoring trinomials with perfect squares. This descriptive video provides a meaningful explanation of the factoring process. Each step is carefully written out in various colors during...

Factoring is one of the first places in math that a young algebrist runs into multiple ways to work a problem. For the more concrete learner who needs a visual structure for problem solving, this presentation of factoring using a Punnett...

The Difference Between Two Squares is an algebraic expression where two terms are perfect squares and one is negative. In this clip the Algebra teacher uses the FOIL method to factor a difference between two squares and prove the equation.

Subtracting like terms, combining like terms, simplifying an expressions all refer to the same thing. The teacher explains two different methods of simplifying this subtraction expression.

Subtracting like terms, combining like terms, and simplifying an expression all refer to the same thing here. The teacher explains two different methods of simplifying this subtraction expression.

So many different factoring methods—how can we keep track of them all? Review different factoring methods for binomials, trinomials, and polynomials. Problem videos cover difference of squares, perfect square trinomial, reverse FOIL,...

Determine the quickest process for solving quadratics. Pupils compare the number of steps in the process of solving quadratics using three different methods. Scholars determine which situations lend themselves to the different solving...