Algebra – Crick December 19, 2015September 12, 2021 adminSymbols & Formulae Add to Bookmarks Early algebra. Solve simple equations Open Activity Other Suggested Activities Money Match - Crick6 levels up to change from £5 Model Algebra - Math PlaygroundModel and Solve Algebra Equations Shape Balance Algebra - NCTMBalance the scales and work out the relative values of each shape.