Quadratic inequalities with one and with two unknowns Student activity Play

Quadratic inequalities with one and with two unknowns Animation Play

Quadratic inequalities with two unknowns Simulation Play

Quadratic inequalities with two unknowns Whiteboard exercise Play

Quadratic inequalities – activity Whiteboard exercise Play

Quadratic inequalities – using a parameter Animation Play

Quadratic model Whiteboard exercise Play

Quadratic model Student activity Play

Rate equation and order of reaction Student activity Play

Rate equation and order of reaction Whiteboard exercise Play

Rational equations Whiteboard exercise Play

Ratios Whiteboard presentation Play

Ratios Class activity Play

Reaction of sodium with water Animation Play

Reaction of sodium with water Animation Play

Reaction of zinc metal with hydrochloric acid Animation Play

Reaction yields Whiteboard exercise Play

Reaction yields Student activity Play

Reactions between Group 1 and 2 metals and water Student activity Play

Reactions between Period 3 elements and water Whiteboard exercise Play

Reactions between Period 3 elements and water (2) Student activity Play

Reactions in the gaseous phase Whiteboard exercise Play

Reactions in the gaseous phase Student activity Play

Reading from graphs Student activity Play

Reading out from the graph the  x- and  y-intercepts of a linear function Simulation Play