High schoolers experiment with complex numbers to see which properties of real numbers apply to the system of complex numbers and practice computations. The study of these properties is first explored by looking at rotational...

Students examine the stars and constellations. In this Seven Stars activity, students manipulate logarithmic formulas to discover star properties.  Students read the story of the Seven Stars in the Crow culture and discuss the brightest...

Students apply binary code in software applications for computer engineers. In this binary code lesson, students read about binary code and its applications to computer engineers. They download software and read an online binary clock....

This first of twelve algebra 2 resources provides a broad review of many algebra 1 concepts through a number of separable lessons and labs. Starting with the real number system and its subsystems, the sections quickly but thoroughly move...

What a great resource. More than just a worksheet, this packet also includes examples and notes at the beginning of each section. The material covers all of the main standards in pre-algebra and can also be used for parts of an Algebra I...

How do 2-D properties relate in 3-D? Lead the class in a discussion on how to draw and see relationships of lines and planes in three dimensions. The ability to see these relationships is critical to the further study of volume and other...

In this number bases worksheet, students solve 9 short answer problems. Kids add numbers in various mods. Students perform modular arithmetic in mods two through nine.

This detailed presentation starts with a review of using key components to graph a line. It then quickly moves into new territory of taking these important parts and teasing them out of a word problem. Special care is taken to discuss...

Finally arriving at the general formula for continuously compounded interest as A = Pert, Sal shows a few examples. In the first example, the interest rate, rate of compounding, term of the loan, and principal are all given, and one...

Your learners will be surprised by the thought-provoking, counterintuitive puzzle presented in this short video that models a fun, fictional situation in which a game is played with two number cubes to decide which of two people wins a...