Education Technology

NSW: Triangular Numbers

by Texas Instruments


Students explore and develop the use of the technique of proof by mathematical induction to prove results.


  • Induction
  • Proof
  • Integer
  • Combinatorics
  • Regression

About the Lesson

Introduction to Induction - Students explore triangular numbers through a combination of visual and numerical representations including Pascals Triangle. Through these structures students establish a formula and conclude by proving their formula works for all whole numbers. The teacher notes includes answers, a slide show is also available for download to provide powerful visuals to the entire class.