A linear function Animation Play

A linear function – example 1 Student activity Play

A linear function – example 3 Student activity Play

BSE – an unforeseen effect of human actions Slideshow Play

BSE – an unforeseen effect of human actions Slideshow Play

Buying a ticket Student activity Play

Buying a ticket Whiteboard exercise Play

Calculating the cost Whiteboard exercise Play

Calculating the cost of one kilogram of the fruit Whiteboard exercise Play

Cheaper, more expensive Whiteboard exercise Play

Cheaper, more expensive Student activity Play

Choosing the best offer Student activity Play

Comparing tariffs Animation Play

Comparing tariffs Whiteboard exercise Play

Comparing tariffs Student activity Play

Constant inflation Whiteboard exercise Play

Construction of a system of linear equations Student activity Play

Conversion graphs Student activity Play

Converting graphs Whiteboard exercise Play

Cost of a phone call Whiteboard exercise Play

Cost of energy Student activity Play

Cost of energy Simulation Play

Cost of energy Whiteboard exercise Play

Discount with membership card Student activity Play

Discount with membership card in the Internet Café Whiteboard exercise Play