Also known as the game ‘Boggle’ (a bit like Scrabble). Each letter can be used more than once. Extension idea: when students can no longer make any further words, allow them to add ONE more letter of their choice. 6 activity sheets in total.

Precisely matched to Edexcel’s exam-accompanying formula and critical values table, this 8-slide PowerPoint gives a conceptual explanation of the Mann-Whitney U and a step-by-step worked example. The worked example uses a typical exam scenario and clearly shows what to substitute into Edexcel’s Mann-Whitney U formula. The formula is then calculated and the associated reading is taken from Edexcel’s critical values table and interpreted in the context of the question. The worked example is followed by a very similar task (with revealable answers) for students to try.

18 slides that bridge from GCSE scattergraphs to sum of squared errors. Uses univariate data and the mean as the best fit line. Useful for L3 Core & S1.

Make the numbers 0 to 10 using exactly 4 fours and any maths operations you want (as many times as you want). Full answers are on the final PowerPoint slide!