Construction of a system of linear equations Student activity Play

Counting bacteria Student activity Play

Counting bacteria Whiteboard exercise Play

Counting problems Class activity Play

Counting problems Whiteboard presentation Play

Counting votes Student activity Play

Counting votes Whiteboard exercise Play

Denoting the content of a problem in the form of algebraic expressions Whiteboard exercise Play

Distance – a more difficult problem Whiteboard exercise Play

Distance – a more difficult problem Student activity Play

Famous problems Student activity Play

Flowers problem Animation Play

Forest density and bird density problem – conclusions Animation Play

Forming words Student activity Play

Forming words Whiteboard exercise Play

Frequency density Student activity Play

Geometric problem Whiteboard exercise Play

How many are there? A more difficult problem Student activity Play

How many different divisors does a natural number have? A more difficult problem Student activity Play

How many were there? A more difficult problem Student activity Play

How many? A more difficult problem Student activity Play

Large nematode – another big problem Student activity Play

Linear equation and geometric problem Whiteboard exercise Play

Long-sightedness Animation Play

Mathematical race Game Play