Statements about the given parallel circuit Whiteboard exercise Play

Supplementary, corresponding and alternate angles Whiteboard exercise Play

Supplementary, vertical, corresponding and alternate angles Whiteboard exercise Play

Supplementary, vertical, corresponding and alternate angles Student activity Play

Switches in parallel circuits Simulation Play

Symmetries with respect to parallel lines Student activity Play

Symmetries with respect to parallel lines Whiteboard exercise Play

Tangent parallel or perpendicular to a line Student activity Play

Tangent parallel to a line Whiteboard exercise Play

Tangent to a parabola Student activity Play

Tangent to a parabola parallel to the given line Whiteboard exercise Play

Ten explorers Animation Play

Testing current in a parallel circuit Illustration Play

The area of a triangle Animation Play

The basic mechanisms of evolution Slideshow Play

The connection of capacitors in parallel Animation Play

The connection of capacitors in parallel Student activity Play

The connection of capacitors in parallel Whiteboard exercise Play

The connection of capacitors in series Student activity Play

The connection of capacitors in series Whiteboard exercise Play

The course of the reaction Animation Play

The defects of lenses Student activity Play

The derivative of a linear combination of functions Student activity Play

The derivative of a linear combination of functions Whiteboard exercise Play

The derivative of the linear combination of functions Whiteboard exercise Play