Question

Make a collection of pictures in which you can see square or triangular numbers.

Answer 1

For Square Numbers

Square numbers can be represented as dots or objects arranged in a perfect square shape. For example:

1. 4 dots (2 × 2): 
   
2. 9 dots (3 × 3):
   
3. 16 dots (4 × 4):
   

For Triangular Numbers

Triangular numbers can be represented as dots or objects arranged in a triangle shape. For example:

1. 3 dots (T₃):
   
2. 6 dots (T₄):
   
3. 10 dots (T₅):
   

Ideas for Pictures

• Use physical objects like buttons, pebbles, or beads to arrange square and triangular shapes.
• Draw or design patterns with stickers or colored dots.
• Create digital images with simple tools to highlight these patterns.