Dividing natural numbers Student activity Play

Divisibility by 11 Student activity Play

Division algorithm Student activity Play

Drawing reflection diagrams Student activity Play

Drawing the image of the rotated figure Whiteboard exercise Play

Effectiveness Whiteboard exercise Play

Electric field in a dielectric – microscopic image Animation Play

Electric field in a dielectric – microscopic image Animation Play

Electric field in a dielectric – microscopic image Student activity Play

Electric field in a dielectric – microscopic image Whiteboard exercise Play

Electron microscope Animation Play

Enlargements Class activity Play

Enlargements Whiteboard presentation Play

Enlargements in the coordinate system Student activity Play

Enlargements in the coordinate system Whiteboard exercise Play

Equal angles imply parallel lines Student activity Play

Equations and tables Student activity Play

Exploration of the Solar System Student activity Play

Exterior angle of a triangle – exercises Student activity Play

Exterior angles in quadrilaterals Student activity Play

Exterior angles of a triangle Student activity Play

Eye accommodation Animation Play

Eye accommodation Student activity Play

Eye accommodation Simulation Play

Eye accommodation Whiteboard exercise Play