Isosceles triangles – solving problems Whiteboard exercise Play

Kinds of triangles – classification by angles Student activity Play

Kinds of triangles – classification by angles and sides Simulation Play

Kinds of triangles – classification by sides Student activity Play

Kinds of triangles – classification by sides Simulation Play

Length constructions Student activity Play

Length of a side of a cube Whiteboard exercise Play

Making a triangle Animation Play

Many different rectangles Student activity Play

Melting points Animation Play

Miscellaneous problems Student activity Play

Mixed problems Student activity Play

Names and prefixes Chart Play

Names of branched aldehydes Animation Play

Names of organic compounds reflect their structures Animation Play

Names of ring aldehydes Animation Play

Naming alkenes Student activity Play

Naming alkenes according to IUPAC rules Animation Play

Naming amines Student activity Play

Naming branched alkanes. Substituents Student activity Play

Naming branched alkanes. Substituents of the same type Student activity Play

Naming branched hydrocarbons Animation Play

Naming haloalkanes Student activity Play

Naming of alcohols Animation Play

Naming of aldehydes Student activity Play