Polygonal Numbers. Triangular and Square

Polygonal number is a number represented as dots or pebbles arranged in the shape of a regular polygon. Author: prof. Liudmyla Gryzun, G.S.Scovorodu Kharkiv National Pedagogical University

New Resources

Exploring Number of Squares on the Diagonal of a Rectangle
Weighing Scales: Lessons and Practices
Equilateral Triangle Cross Sections
အခြေခံ data အခေါ်အဝေါ်များ
Untitled

Discover Resources

Animation 262
Dunnavant- Trapezoid Constructions
Volume MIT

Discover Topics

Random Variables
Frequency Distribution
Sphere
Ratios
Rational Numbers