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strands.number-sense.h1

Number Sense

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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

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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

Analysing 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

Visualise 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 Cheung

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  • Tangent intersecting extended chord

    Activity

    David Cheung

  • Circle Theorems for CIE IGCSE Mathematics

    Book

    David Cheung

  • Chords intersecting outside the circle

    Activity

    David Cheung

  • Chords intersecting inside the circle

    Activity

    David Cheung

  • External tangents from a point outside the circle

    Activity

    David Cheung

  • Perpendicular bisector of a chord

    Activity

    David Cheung

  • Angle at the centre and angle at the circumference

    Activity

    David Cheung

  • Angles in alternate segments

    Activity

    David Cheung

  • Angles in alternate segments

    Activity

    David Cheung

  • Distance of equal chords from the centre

    Activity

    David Cheung

  • Angles in opposite segments

    Activity

    David Cheung

  • Opposite angles in a cyclic quadrilateral

    Activity

    David Cheung

  • Angles in the same segment

    Activity

    David Cheung

  • Angle between tangent and radius

    Activity

    David Cheung

  • Angles in a semi-circle

    Activity

    David Cheung

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