Triangular numbers
Game Introduction
A triangular number or triangle number counts the objects that can form an equilateral triangle, as in the diagram on the right. The nth triangular number is the number of dots composing a triangle with n dots on a side, and is equal to the sum of the n natural numbers from 1 to n. The triangular numbers are therefore 1, 1+2, 1+2+3, 1+2+3+4, ..., Triangular number, is: 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91, 105, 120, 136, 153, 171, 190, 210, 231, 253, 276, 300, 325, 351, 378, 406 …
How To Play
This form of presentation, press the green flag and see. eg. next number = 10 number of triangular = 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 = 55 similar: square numbers - https://scratch.mit.edu/projects/96143241/ flowers triangular - https://scratch.mit.edu/projects/3119759
Author
leszpio
Category
Game Information
Game Popularity
2.7k views
Collection Count
22 favorites
