Curated OER
Binomial Expansion
In this algebra instructional activity, high schoolers expand the binomial with the binomial expansion theorem in order to find the coefficient of a given term. There are 4 questions.
Curated OER
Expand the Binomial Problems
In this binomial expansion worksheet, students expand four binomials. The largest power for expansion is six. The solutions are not provided.
Curated OER
Air Expansion and Contraction
Students observe that air exerts pressure, that heated air expands and that cooled air contracts. After the demonstration, students engage in a question and answer session about what they saw.
National Council of Teachers of Mathematics
Nctm: Illuminations: Resources for Teaching Math: Algebra Tiles
Try this hands-on approach to solving algebra problems with this interactive website. Students are able to "solve equations, substitute in variable expressions, expand, and factor".
TED Talks
Ted: Ted Ed: What Is the Universe Expanding Into?
Sajan Saini explains the existing theories around the Big Bang and what, if anything, lies beyond our universe.
TED Talks
Ted: Ted Ed: Three Ways the Universe Could End
Do we know how our universe is going to end? Venus Keus explores cosmologists' three possible scenarios.
Purple Math
Purplemath: Partial Fraction Decomposition: General Techniques
Partial-fraction decomposition is the process of starting with the simplified answer and taking it back apart, of "decomposing" the final expression into its initial polynomial fractions. This reference material demonstrates the...
University of Cambridge
University of Cambridge: Nrich: Transformations on a Pegboard
This one page website can expand your logic, Motion Geometry and pattern recognition knowledge. The solution is available to double check your answers.