Solving trigonometric equations involving the cosine function Whiteboard exercise Play

Solving trigonometric equations using the tangent function Whiteboard exercise Play

Some inequalities Student activity Play

Some inequalities Whiteboard exercise Play

System of equations Whiteboard exercise Play

System of equations Animation Play

System of equations Student activity Play

System of equations describing big and small ice-creams problem Whiteboard exercise Play

System of equations describing drinks and ice-creams problem Whiteboard exercise Play

System of linear equations Whiteboard exercise Play

System of linear equations Student activity Play

System of linear equations Whiteboard exercise Play

System of linear equations and their solutions Student activity Play

Systems of equations Student activity Play

Systems of equations Whiteboard exercise Play

Systems of inequalities and quadratic equations with a parameter Whiteboard exercise Play

Systems of linear equations and their solutions on the graph Whiteboard exercise Play

Systems of more complicated equations Whiteboard exercise Play

Systems of more complicated equations Student activity Play

Systems of more than two linear equations Student activity Play

Systems of more than two linear equations Animation Play

Taking out a single term from algebraic equations Student activity Play

Taking out a single term from algebraic equations Whiteboard exercise Play

Tangents to the graph of the natural exponential function Whiteboard exercise Play

Tangents to the graph of the natural exponential function Student activity Play