The word document associated with this activity Year 9 Tesselations and Shapes project 2013
A quick video to refresh your memories http://coffsharbourhighschool.com/videos/Finding%20a%20Side%20Trig%201.wmv Be patient it takes a while to load.
Here are some files for Year 9 Equations work First explore the algebra balances here Algebra Balance Scales or with negative numbers here Algebra Balance Scales – Negatives Then have a go at the soccer game http://www.math-play.com/soccer-math-one-step-equations-game/one-step-equations-game.html Then finally download this spreadsheet https://www.dropbox.com/s/nwjvggwypllav6b/Equations%20Step%20by%20Step%20sheet.xlsx and complete it (It gives you ticks when you get the steps correct)