Bar chart Animation Play

Biocoenoses – as a set of interactions Student activity Play

Biocoenoses – as a set of interactions Whiteboard exercise Play

Cardinal number Animation Play

Cardinal number of a finite set Whiteboard exercise Play

Cardinal number problems Student activity Play

Cardinal number properties for finite sets Whiteboard exercise Play

Cardinal number properties for finite sets Student activity Play

Comparing sets of data using a frequency polygon Student activity Play

Comparing sets of data using frequency polygon Whiteboard exercise Play

Comparing sets of data using steam and leaf diagrams Whiteboard exercise Play

Comparing sets of data using stem-and-leaf diagrams Student activity Play

Comparing sets of data using the five numbers summary Whiteboard exercise Play

Comparing sets of data using the five-number summary Student activity Play

Consequences Student activity Play

Consequences Whiteboard exercise Play

Defining a function by a table Student activity Play

Defining a function by a table Animation Play

Defining a function by a table – activity Whiteboard exercise Play

Defining half-planes Whiteboard exercise Play

Defining half-planes – a simple case Student activity Play

Defining inequalities in a coordinate system Student activity Play

Defining inequalities in a coordinate system Simulation Play

Defining inequality in a coordinate system Simulation Play

Defining points on the plane using vectors Animation Play