Fraction of a fraction Student activity Play

Fractions to decimals Student activity Play

Fractions, decimals, square roots and cube roots Student activity Play

Fractions, decimals, square roots and cube roots Whiteboard exercise Play

Frames for photos Animation Play

Frequency density polygon Student activity Play

Frequency density polygon Animation Play

Frequency of free oscillations Animation Play

Fresnel lens Animation Play

From Imperial units of length to metric units of length Whiteboard exercise Play

Functions in real life Student activity Play

Geometric problems Student activity Play

Half-planes in the Cartesian coordinate system Student activity Play

How do you measure the length of a curve? Student activity Play

How many times? Whiteboard exercise Play

How many times? Student activity Play

How much do we have to pay? Student activity Play

How plants receive and transform information about day length Animation Play

How to calculate the volume of prism Animation Play

How to construct a regular hexagon Animation Play

How to measure gravitational acceleration? Slideshow Play

How to measure gravitational acceleration? Whiteboard exercise Play

How to measure gravitational acceleration? Student activity Play

Image in a microscope Whiteboard exercise Play

Images in lenses Student activity Play