Square and triangular numbers
Chapters
- 0:00Introduction
- 0:21Do Now
- 0:59Square numbers
- 1:44Triangular numbers
- 2:30Example 1: square or triangular?
- 3:09Example 2: cube numbers
- 3:45Your turn
- 4:27Common mistake
- 4:58Worksheet and exit question
Practise sequences for 15 minutes a day in The Maths Habit, on your phone or in your browser.