Approximate solution of equations Whiteboard presentation Play

Approximation method Simulation Play

Approximation using the secant method Simulation Play

Average Animation Play

Biochemical tests; chromatography; electrophoresis and separation of tissues Whiteboard presentation Play

Biochemical tests; chromatography; electrophoresis and separation of tissues Class activity Play

Biocoenoses – method of study Whiteboard exercise Play

Biocoenoses – method of study Student activity Play

Biofiltration method Slideshow Play

Biological methods of controlling plant diseases Illustration Play

Bromide-bromate reaction: a kinetic study Student activity Play

Cell cycle Student activity Play

Coffee Slideshow Play

Control of the cell cycle Whiteboard exercise Play

Crude oil Slideshow Play

Different methods of internal fertilization Animation Play

Distillation Student activity Play

Dividing a decimal by an integer using the written method Whiteboard exercise Play

Dividing a decimal by an integer using the written method Student activity Play

Dividing by a decimal Student activity Play

Dividing by a decimal Whiteboard exercise Play

Dividing by a decimal using the written method Whiteboard exercise Play

Dividing by a decimal using the written method Student activity Play

Dividing by a fraction Student activity Play

Dividing by a fraction Whiteboard exercise Play