Thank you; I do not use drugs Animation Play

The angles in a parallelogram and a trapezium Animation Play

The angles of a parallelogram Whiteboard exercise Play

The apples that do not fall into the basket Whiteboard exercise Play

The area of a parallelogram Whiteboard exercise Play

The area of a parallelogram Student activity Play

The area of a parallelogram Animation Play

The area of a parallelogram Student activity Play

The area of a plane shape Animation Play

The area of a trapezium Student activity Play

The area of a trapezium Animation Play

The area of a triangle Student activity Play

The area of a triangle Animation Play

The area of the parallelogram Whiteboard exercise Play

The bisector of a line Whiteboard exercise Play

The bisector of a line Student activity Play

The extremum points when the derivative does not exist Whiteboard exercise Play

The lines of symmetry Whiteboard exercise Play

The local maximum and minimum when the derivative does not exist Student activity Play

The method of finding the sum of vectors Animation Play

The parallelogram rule Whiteboard exercise Play

The parallelogram rule Student activity Play

The parallelogram rule Whiteboard exercise Play

Transistors and gates Whiteboard presentation Play

Transistors and gates Class activity Play