Triangular Numbers

In this triangular activity, learners discover the definition of triangular numbers, identify triangular numbers, and complete a handshake problem. Explanations and examples are included in the activity. This one-page activity contains 10 problems.

7th - 9th Math 3 Views 17 Downloads
Resource Details

Arithmetic & Pre-Algebra
1 more...
Resource Types
Problem Solving
1 more...

What Members Say

Pamela W.
Lesson Planet saves me from reinventing the wheel.
Pamela W., Special Education Teacher
Morrisville, NC