The distance between two points in the plane Whiteboard exercise Play

The distance formula Student activity Play

The distance formula in 3-dimensional space Whiteboard exercise Play

The effects of temperature on the rate of photosynthesis Student activity Play

The equation of a circle going through a point Student activity Play

The equation of a circle through a point Whiteboard exercise Play

The equation of a circle with centre at an arbitrary point Simulation Play

The equation of a circle with centre at an arbitrary point Student activity Play

The equation of the circle Student activity Play

The equation of the circle with centre at an arbitrary point Whiteboard exercise Play

The equation of the line Whiteboard exercise Play

The extremum points when the derivative does not exist Whiteboard exercise Play

The field lines for two point charges Animation Play

The figures symmetric with respect to the marked point Whiteboard exercise Play

The first tangent theorem Animation Play

The first tangent theorem – perpendicularity Student activity Play

The first tangent theorem – perpendicularity Whiteboard exercise Play

The five-number summaries for hourly paid and salaried employees Student activity Play

The five-number summaries for hourly paid employees Whiteboard exercise Play

The five-number summary Student activity Play

The five-number summary of the data set Animation Play

The focal point of a concave mirror Simulation Play

The focal point of a concave mirror Animation Play

The focal point of a concave mirror Student activity Play

The focal point of a concave mirror Whiteboard exercise Play