Search
Google ClassroomGoogle Classroom
GeoGebraGeoGebra Classroom

Outline

  1. Number Theory
    1. triangular numbers
    2. square numbers
    3. Subtracting fractions with number lines
    4. Classifying Numbers Activity
    5. Factorization - Visual illustration of divisor pairs
    6. Divisibility Tests

Number Theory

Author:Lee McCulloch-James

  • triangular numbers

  • square numbers

  • Subtracting fractions with number lines

  • Classifying Numbers Activity

  • Factorization - Visual illustration of divisor pairs

  • Divisibility Tests

Next
triangular numbers

New Resources

  • Reflection across a line
  • Shells
  • Locus Related to Descartes' Folium
  • Equation of Locus - Parabola
  • Circle Passing Through 3 Points

Discover Resources

  • Elementary Geometry
  • รูปสามมิติ
  • Angel of parallel
  • Taking the Confusion out of Auxiliary Objects in GeoGebra
  • Logarithmic Spirals

Discover Topics

  • Optimization Problems
  • Derivative
  • Right Triangles
  • Cube
  • Polygons
AboutPartnersHelp Centre
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2026 GeoGebra®