Building a proof Student activity Play

Building a proof Whiteboard exercise Play

Building a proof from deductions Whiteboard exercise Play

Building a proof from deductions Student activity Play

Deduction Student activity Play

Deduction Whiteboard exercise Play

Deductions for algebraic transformations Whiteboard exercise Play

Deductions for algebraic transformations Student activity Play

Deductive reasoning Class activity Play

Deductive reasoning Whiteboard presentation Play

Deductive reasoning and Venn diagrams Student activity Play

Deductive reasoning and Venn diagrams Whiteboard exercise Play

Finding valid conclusions Whiteboard exercise Play

Understanding the theorem Class activity Play

Understanding the theorem Whiteboard presentation Play

Valid and invalid deduction Animation Play

Venn diagrams Student activity Play

Venn diagrams Whiteboard exercise Play