Solving word problems Class activity Play

Speed – a more difficult problem Student activity Play

Stating a problem and collecting data Student activity Play

Stating a problem and collecting data Whiteboard exercise Play

Statistical problem specification Student activity Play

Statistical problem specification Whiteboard exercise Play

Substituting – a complex problem Student activity Play

Substituting – a complex problem Whiteboard exercise Play

Subtracting fractions – a practical problem Whiteboard exercise Play

Subtracting fractions – a practical problem Whiteboard exercise 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

Taking out a single term from algebraic equations Student activity Play

Taking out a single term from algebraic equations Whiteboard exercise Play

The apples problem Animation Play

The area of cultivation Whiteboard exercise Play

The area of the rectangle Whiteboard exercise Play

The bird diversity problem Whiteboard exercise Play

The bird diversity problem Student activity Play

The content of a problem as an algebraic expression Animation Play

The content of a problem as an algebraic expression Student activity Play

The equations and their solutions Whiteboard exercise Play

The equilateral triangle and the square Whiteboard exercise Play

The fence problem Whiteboard exercise Play

The fence problem Student activity Play