Focal point of a convex mirror Student activity Play

Forces affecting an element of a string Student activity Play

Forces exerted on a segment of a string Animation Play

Fractions on the real axis Student activity Play

Geometric problems Student activity Play

How to construct a perpendicular bisector Animation Play

How to construct a regular hexagon Animation Play

How to construct the perpendicular bisector of a segment Student activity Play

How to draw a number line? Animation Play

How to rotate a figure in the coordinate system Animation Play

Huygens' Principle Student activity Play

Huygens' Principle Animation Play

Huygens' Principle Animation Play

Image magnification Animation Play

Image of a figure (reflection in the y-axis) Animation Play

Images in convex mirrors Student activity Play

Images in convex mirrors Whiteboard exercise Play

Inscribed angles on the same arc Simulation Play

Inscribed angles on the same segment Student activity Play

Inscribed angles on the same segment Whiteboard exercise Play

Interesting fact Animation Play

Length constructions Student activity Play

Length constructions Simulation Play

Let us draw a road in the coordinate system Student activity Play

Let's investigate perimeters and areas Student activity Play