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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

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strands.statistics-probability.h1

Probability and Statistics

Analyzing uncertainty and likelihood of events and outcomes

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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

David Chandler

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  • 01--Quadrilaterals and their Diagonals

    Activity

    David Chandler

  • Symmetric description of scaling and translation

    Activity

    David Chandler

  • Making Do with GeoGebra's Tools

    Book

    David Chandler

  • An Applet Involving Multi-stage Animation

    Activity

    David Chandler

  • Rainbow Physics and Mathematics

    Book

    David Chandler

  • Analysis of a Rainbow

    Activity

    David Chandler

  • Another Applet Involving Multi-Stage Animation

    Activity

    David Chandler

  • Two Levels of Radio Buttons with Variants

    Activity

    David Chandler

  • Radio Buttons and Clear Button

    Activity

    David Chandler

  • My Talk

    Activity

    David Chandler

  • Volume of a Sphere

    Activity

    David Chandler

  • Geometric Optics, Part 2 -- Thin Convex Lenses

    Activity

    David Chandler

  • Geometric Optics, Part 1 -- Optical Images

    Activity

    David Chandler

  • Tiling the Plane with Pentagons (?), Part 2

    Activity

    David Chandler

  • Tiling the Plane with Pentagons (?), Part 1

    Activity

    David Chandler

  • Tiling the Plane with Quadrilaterals

    Activity

    David Chandler

  • Tiling the Plane with Triangles (Method 2)

    Activity

    David Chandler

  • Tiling the Plane with Triangles (Method 1)

    Activity

    David Chandler

  • Analysis of rainbows (Part II)

    Activity

    David Chandler

  • Analysis of rainbows (Part I)

    Activity

    David Chandler

  • Hyperbola constructed by paper folding

    Activity

    David Chandler

  • Ellipse constructed by paper folding

    Activity

    David Chandler

  • Parabola constructed by paper folding

    Activity

    David Chandler

  • Cavalieri's Principle

    Activity

    David Chandler

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