Lessons
Indices
Index laws4:48 · worksheet and answers
Negative powers4:44 · worksheet and answers
Fractional powers4:14 · worksheet and answers
Expressions and formulae
Substitution4:21 · worksheet and answers
Rearranging formulae4:49 · worksheet and answers
Rearranging when the subject appears twice4:35 · worksheet and answers
Sequences
The nth term of a linear sequence5:27 · worksheet and answers
The nth term of a quadratic sequence5:41 · worksheet and answers
Simultaneous equations
Simultaneous equations by elimination5:48 · worksheet and answers
Simultaneous equations from worded problems5:48 · worksheet and answers
Inequalities
Solving inequalities and number lines5:14 · worksheet and answers
Quadratic inequalities5:16 · worksheet and answers
Inequalities on a graph: shading regions5:28 · worksheet and answers
Quadratics
Solving quadratics by factorising5:33 · worksheet and answers
Solving harder quadratics by factorising5:51 · worksheet and answers
Solving quadratics with the quadratic formula6:15 · worksheet and answers
Quadratic graphs
Recognising linear and quadratic graphs5:10 · worksheet and answers
Plotting quadratic graphs5:28 · worksheet and answers
Roots and turning points from a graph5:30 · worksheet and answers
Completing the square5:59 · worksheet and answers
Straight-line graphs
Gradient and y = mx + c5:14 · worksheet and answers
Finding the equation of a line5:30 · worksheet and answers
Functions
Ratio
Sharing in a ratio4:42 · worksheet and answers
Ratio problems: one share or the difference4:29 · worksheet and answers
Proportion
Direct proportion: y = kx5:21 · worksheet and answers
Inverse proportion: y = k/x5:24 · worksheet and answers
Proportion with squares, cubes and roots5:04 · worksheet and answers
Percentages
Compound interest5:45 · worksheet and answers
Percentage increase, decrease and change5:48 · worksheet and answers
Reverse percentages5:46 · worksheet and answers
Bearings
Bearings and back bearings5:27 · worksheet and answers
Scale drawings with bearings5:36 · worksheet and answers
Constructions and loci
Perpendicular bisector and angle bisector5:13 · worksheet and answers
Loci5:06 · worksheet and answers
Transformations
Reflecting shapes5:35 · worksheet and answers
Describing reflections5:31 · worksheet and answers
Rotating shapes5:27 · worksheet and answers
Describing rotations5:32 · worksheet and answers
Enlargement from a centre5:42 · worksheet and answers
Enlargement by a fractional scale factor5:39 · worksheet and answers
Describing enlargements5:41 · worksheet and answers
Enlargement by a negative scale factor5:37 · worksheet and answers
Mixed transformations: drawing the image5:45 · worksheet and answers
Mixed transformations: describing fully5:49 · worksheet and answers
Calculating with column vectors5:16 · worksheet and answers
Volume
Volume of prisms4:42 · worksheet and answers
Volume of cylinders4:22 · worksheet and answers
Volume of cones, pyramids and spheres4:29 · worksheet and answers
Pythagoras
Pythagoras: finding any side5:50 · worksheet and answers
Pythagoras in context5:58 · worksheet and answers
Trigonometry
Finding the opposite with sine4:38 · worksheet and answers
Finding the hypotenuse with sine4:32 · worksheet and answers
Finding a side with cos5:08 · worksheet and answers
Finding a side with tan5:06 · worksheet and answers
Finding an angle with SOH CAH TOA5:16 · worksheet and answers
Real-life graphs
Conversion graphs5:24 · worksheet and answers
Distance-time graphs5:32 · worksheet and answers
Rates from graphs5:42 · worksheet and answers
Speed-time graphs
Acceleration from a speed-time graph4:49 · worksheet and answers
Distance from a speed-time graph4:44 · worksheet and answers
Probability
Completing Venn diagrams5:27 · worksheet and answers
Probability from Venn diagrams5:08 · worksheet and answers
Tree diagrams5:48 · worksheet and answers
Tree diagrams without replacement5:50 · worksheet and answers