Positive and Negative Numbers

Put all that algebra learning to use! Using algebraic strategies, learners solve three-variable systems. They then use the three-variable systems to write a quadratic equation given three points on the parabola.

Can an equation have an infinite number of solutions? Allow your class to discover the relationship between the input and output variables in a two-variable equation. Class members explore the concept through tables and graphs and...

Discover the joy and excitement of improving your math fluency through four different puzzles. Combine those with 25 different ways to represent numbers and you have hours of enjoyment that can be fun outside of the classroom as well.

Sal uses the elimination method to simplify a system of three variables. Next, he employs the substitution method to check his solution. This resource would nicely complement any lesson on this topic.

Which method works best for you? Using a product, an informative video shows two methods to simplify the resulting expression. One method starts by rewriting the expression with only positive exponents. The other method uses the...

Which method of solving systems is the best? Individuals watch the same system solved using elimination, then substitution, and finally graphing. They can compare the different methods and see how each method results in the same solution.

Is this method better, or this one? Given a quotient of expressions that involve negative exponents, the narrator of a short video works through two methods of simplification. The first method relies on positive exponents, while the...

Did mankind invent mathematical concepts, or is math the native language of the universe itself? Discover the beliefs of famous philosophers such as Plato and Euclid with regard to the place of numbers in nature, and take a brief look at...

There are many methods for solving a system of linear equations. A thorough lesson provides a video tutorial describing one of those methods. The instructor gives step-by-step directions for using the elimination method including adding...

Your learners will dance in their seats as this talented drummer connects math to music in a short video clip. Clayton Cameron shows how math puts the "cool" in various genres of music, including jazz, hip-hop, pop,...