Dihybrid crosses and Mendel's second law Whiteboard exercise Play

Distance covered by light Animation Play

Does the second derivative always give an answer? Whiteboard exercise Play

Does the second derivative always give an answer? Student activity Play

Equations of curves Class activity Play

Equations of curves Whiteboard presentation Play

Establishing systematics – the work has only just begun Student activity Play

Examples of description of class intervals Animation Play

Exercises Student activity Play

Finding local extrema using second derivatives Whiteboard exercise Play

Finding local extrema using second derivatives Student activity Play

Finding local extrema using the second derivative Animation Play

Finding the frequencies from a histogram Whiteboard exercise Play

Finding the frequencies from a histogram Student activity Play

Finding the interquartile range Whiteboard exercise Play

Finding the numbers in the given ratio Student activity Play

Finding the second x-intercept of the parabola Whiteboard exercise Play

Finding the second derivative of the reciprocal of  x Whiteboard exercise Play

Finding the second derivatives Whiteboard exercise Play

First and second differences – maths investigations Whiteboard exercise Play

First and second differences – maths investigations Student activity Play

Force and acceleration Class activity Play

Force and acceleration Whiteboard presentation Play

Frequency table Student activity Play

Grouping of species into larger units Student activity Play