### Long term project of phyramids exploration and production  Students examine pyramids and its history, explore elements, surface and volume,  made and decorate pyramids. project takes time about one month.

### Calculation of triangle area  Calculation of triangle area. Formulas of triangle area. the plan of lesson included explanation and testing of knowledge.

### Logical math tasks which suitable for a math afternoon  Logical attractive tasks for pupils age 10-15. This puzzle is devoted for children, a lot of adults are not able to solve their. The aim of the puzzle is to find hints in the picture and answer the following questions using your logic and knowledge.

### a math journey  Proportional triangles and regular octagonal area. Students have to measure real buildings and distances, use formula of the area of triangle, tg definition, and approximate calculation.  ### Mathematical journey - lesson Triangle  during the trip students calculated the height of the mountain using Pythagoras t and function of sin.

### Lesson -Real numbers  ### Lesson - Logarithmic and exponential functions  ### Lesson -geometry- a length of a circle  ### Golden ratio project  