From the formula to the function and from the function to the equation Student activity Play

Geometric problems Student activity Play

Geometric problems Student activity Play

Guessing date of birthday Simulation Play

Guessing your number Game Play

Harry's number Whiteboard exercise Play

Health problems caused by smoking Slideshow Play

How does it work? Animation Play

How much does an apple weight? Whiteboard exercise Play

How much does it cost? Whiteboard exercise Play

How much does it cost? Student activity Play

How much does it weigh? Simulation Play

How much does it weigh? Student activity Play

How much does it weigh? How much does it cost? Student activity Play

How much does the notebook cost? Whiteboard exercise Play

How much does the stamp cost? Simulation Play

How much does the ticket cost? Whiteboard exercise Play

Interesting problems Student activity Play

Inverse operations Whiteboard exercise Play

Inverse operations Student activity Play

Isosceles triangles – solving problems Whiteboard exercise Play

Isosceles triangles – solving problems Student activity Play

Isosceles triangles – solving problems Whiteboard exercise Play

Lena's number Whiteboard exercise Play

Letters in equations Student activity Play