Search
strands.number-sense.h1

Number Sense

Understanding numbers, their relationships and numerical reasoning

strands.algebra.h1

Algebra

Using symbols to solve equations and express patterns

strands.geometry.h1

Geometry

Studying shapes, sizes and spatial relationships in mathematics

strands.measurement.h1

Measurement

Quantifying and comparing attributes like length, weight and volume

strands.operations.h1

Operations

Performing mathematical operations like addition, subtraction, division

strands.statistics-probability.h1

Probability and Statistics

Analyzing uncertainty and likelihood of events and outcomes

Community Resources
Get started with our Resources
GeoGebra

Calculator Suite

Explore functions, solve equations, construct geometric shapes

GeoGebra Graphing

Graphing Calculator

Visualize equations and functions with interactive graphs and plots

GeoGebra Geometry

Geometry

Explore geometric concepts and constructions in a dynamic environment

GeoGebra 3D Calculator

3D Calculator

Graph functions and perform calculations in 3D

GeoGebra Scientific Calculator

Scientific Calculator

Perform calculations with fractions, statistics and exponential functions

GeoGebra Notes

Notes

Explore our online note taking app with interactive graphs, slides, images and much more

App Downloads
Get started with the GeoGebra Apps
strands.number-sense.h1

Number Sense

Understanding numbers, their relationships and numerical reasoning

strands.algebra.h1

Algebra

Using symbols to solve equations and express patterns

strands.geometry.h1

Geometry

Studying shapes, sizes and spatial relationships in mathematics

strands.measurement.h1

Measurement

Quantifying and comparing attributes like length, weight and volume

strands.operations.h1

Operations

Performing mathematical operations like addition, subtraction, division

strands.statistics-probability.h1

Probability and Statistics

Analyzing uncertainty and likelihood of events and outcomes

Community Resources
Get started with our Resources
GeoGebra

Calculator Suite

Explore functions, solve equations, construct geometric shapes

GeoGebra Graphing

Graphing Calculator

Visualize equations and functions with interactive graphs and plots

GeoGebra Geometry

Geometry

Explore geometric concepts and constructions in a dynamic environment

GeoGebra 3D Calculator

3D Calculator

Graph functions and perform calculations in 3D

GeoGebra Scientific Calculator

Scientific Calculator

Perform calculations with fractions, statistics and exponential functions

GeoGebra Notes

Notes

Explore our online note taking app with interactive graphs, slides, images and much more

App Downloads
Get started with the GeoGebra Apps

Jeff Barrett

  • Resources
  • Favorites
  • People
  • Cubic boxes compared

    Activity

    Jeff Barrett

  • trapezoid area formula why?

    Activity

    Jeff Barrett

  • working with radians and circles

    Activity

    Jeff Barrett

  • Pythagoras argument demonstrated

    Activity

    Jeff Barrett

  • sectors and circles and measures

    Activity

    Jeff Barrett

  • Proposition 2 of Euclid's Elements, Book 1

    Activity

    Jeff Barrett

  • Proposition 5, Euclid's Elements, Book I

    Activity

    Jeff Barrett

  • idea for foundation of measurement

    Activity

    Jeff Barrett

  • proposition 7 proven, Euclid's Elements

    Activity

    Jeff Barrett

  • proving proposition 7 indirectly

    Activity

    Jeff Barrett

  • Proposition Two, The Elements, as a proof.

    Activity

    Jeff Barrett

  • Euclids Book 1 sketches for MAT 131

    Book

    Jeff Barrett

  • PROOF OF Proposition 17

    Activity

    Jeff Barrett

  • PROOF OF Proposition 17

    Activity

    Jeff Barrett

  • constructions in plane geometry

    Book

    Jeff Barrett

  • Proposition 13 proof

    Activity

    Jeff Barrett

  • Proposition 13 proof

    Activity

    Jeff Barrett

  • Measurement Concepts

    Book

    Jeff Barrett

  • sector area measuring

    Activity

    Jeff Barrett

  • Proof of Prop 5 (Feb. 6, 2020)

    Activity

    Jeff Barrett

  • Proposition 16 Proof, Euclid Book I of Elements

    Activity

    Jeff Barrett

  • area formula for trapezoid

    Activity

    Jeff Barrett

  • Ptolemy Theorem

    Activity

    Jeff Barrett

  • Proposition 12, Euclid, Book 1, Proof

    Activity

    Jeff Barrett

Load more
AboutPartnersHelp Center
Terms of ServicePrivacyLicense
Graphing CalculatorCalculator SuiteMath Resources

Download our apps here:

Download_on_the_App_Store_Badge_US-UK_RGB_blk_4SVG_092917

© 2025 GeoGebra®