Time series Whiteboard exercise Play

Time series Student activity Play

Using the diagrams in real life Whiteboard exercise Play

Using the Pythagorean theorem in 3-dimensional space Whiteboard exercise Play

Using the Pythagorean theorem in 3-dimensional space Student activity Play

Variables and cases Student activity Play

VAT Student activity Play

Weighted mean – price of the ice-cream Whiteboard exercise Play

Weighted means Student activity Play

What can you afford in the Internet Café? Student activity Play

What should Lena choose? Student activity Play

What should Lena choose? Whiteboard exercise Play

What was the price of the dress? Animation Play

Where can you buy it cheaper? Student activity Play

 What can you afford in the Internet Café? Whiteboard exercise Play

 What can you afford in the Internet Café? Whiteboard exercise Play