Solving Equations: Unknowns Both Sides Solving with Unknowns on Both Sides (pdf) Solving with Unknowns on Both Sides (doc)
Solving Quadratic Equations from Functions Solving Quadratic Equations from Functions (pdf) Solving Quadratic Equations from Functions (doc)
Evaluating Composite Functions Evaluating Composite Functions (pdf) Evaluating Composite Functions (doc)
Finding the Equation of Tangents to Circles at a Point Finding the Equation of Tangents to Circles (pdf) Finding the Equation of Tangents to Circles (doc)
Gradient of a Line Calculating Gradient Between Two Points (pdf) Calculating Gradient Between Two Points (doc)
Algebraic LCM Would recommend reading this excellent post by Jo Morgan for more on the inspiration behind this exercise! Algebraic LCM (pdf) Algebraic LCM (doc)