Create trigonometric functions from circles. The first lesson of the module begins by finding coordinates along a circular path created by a Ferris Wheel. As the lessons progress, pupils graph trigonometric functions and relate them to...

Solve 10 festive word problems during the holiday season! Santa and his team need your class's help to decorate, sort toys, organize reindeer, and bake toffee with multiplication and division skills.

By the end of this section, you will be able to define antinode, node, fundamental, overtones, and harmonics; identify instances of sound interference in everyday situations; describe how sound interference occurring inside open and...