The four-digit PIN number Whiteboard exercise Play

The frequency of recombination Whiteboard exercise Play

The function  y = 2x Animation Play

The function  y = 2x + 1 Animation Play

The function  y = –2x Animation Play

The general form of the equation of a straight line Whiteboard exercise Play

The general form of the equation of a straight line Student activity Play

The gradient and the y-intercept of a straight line Whiteboard exercise Play

The gradient and the equation of a tangent Student activity Play

The gradient of a line Student activity Play

The gradient of a line Whiteboard exercise Play

The gradient of a line perpendicular to the  x-axis Animation Play

The gradient of a straight line Student activity Play

The gradient of a straight line Whiteboard exercise Play

The gradient of the road Whiteboard exercise Play

The graph of the cube function Animation Play

The graph of the cube root function Animation Play

The graph of the quadratic function Animation Play

The graph of the square root function Animation Play

The graphical solution of an inequality Animation Play

The graphs that are constant functions Whiteboard exercise Play

The Greens and The Blacks Whiteboard exercise Play

The Greens and The Reds Whiteboard exercise Play

The heights of the students Animation Play

The higher mean score Whiteboard exercise Play