Diagram of a series Animation Play

Diagrams of geometric sequences and series Student activity Play

Diploidy; chromosomes; genes and alleles Student activity Play

Direct proportionality models Student activity Play

DNA sequencing Student activity Play

DNA; RNA and protein synthesis Student activity Play

Drawing dots Whiteboard exercise Play

Drawing dots Student activity Play

Drawing the graph of the sequence Student activity Play

Drawing the graph of the sequence Whiteboard exercise Play

Effects of mutagens Animation Play

Effects of point mutations Student activity Play

Elevations Simulation Play

Elevations Student activity Play

Elevator Animation Play

Emmanuel's kite Animation Play

Equal number of votes Animation Play

Example of decreasing sequence Animation Play

Example of recursive definition Animation Play

Example of the sequence Animation Play

Examples of increasing sequences Animation Play

Examples of sequences Animation Play

Extending sequences Animation Play

Famous sequences – Collatz algorithm Whiteboard exercise Play

Famous sequences – part 2 Student activity Play