How much does the ticket cost? Whiteboard exercise Play

Inverse operations Student activity Play

Inverse operations Whiteboard exercise Play

Isosceles triangles – solving problems Whiteboard exercise Play

Isosceles triangles – solving problems Whiteboard exercise Play

Isosceles triangles – solving problems Student activity Play

Large nematode – another big problem Student activity Play

Lena's number Whiteboard exercise Play

Letters in equations Student activity Play

Linear equation and geometric problem Whiteboard exercise Play

Linear equations, solving linear equations Whiteboard presentation Play

Linear equations, solving linear equations Class activity Play

Long-sightedness Animation Play

Minimum area problem Student activity Play

Minimum area problem Simulation Play

Misuse of drugs Student activity Play

Mixed problems Student activity Play

More complex problems involving direct proportionality Student activity Play

More complex problems involving direct proportionality Whiteboard exercise Play

More complicated problem Animation Play

More complicated problems Whiteboard exercise Play

More complicated problems Student activity Play

More difficult problem involving proportion Student activity Play

More difficult problem involving proportion Whiteboard exercise Play

Multiplying both sides of the equation Whiteboard exercise Play