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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

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  • Scale Factor and Area Ratio

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  • Similar Triangles

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  • 「相似三角形」任务1

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  • 「相似三角形」任务2

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  • Similar Triangles Task 4

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  • Slope of perpendicular lines

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  • Slope of a St. Line (formula)

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  • In-centre, Circumcentre, Centroid and Orthocentre.

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  • Similar Triangles Task 2

    Activity

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  • Similar Triangles Task 3

    Activity

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  • Similar Triangles Task 1

    Activity

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  • a(x-h)^2+k

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  • Compass and True Bearing

    Activity

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  • 找中點的坐標

    Activity

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  • 垂直線的斜率關係

    Activity

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  • MC Qn49

    Activity

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  • Slope 斜率 - 概念及定義 (3)

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  • Triangle: sides and angles

    Activity

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  • 以 Unit Circle 了解 Sine 的正/負

    Activity

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  • Quadratic function

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  • Riemann Sum

    Activity

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  • Pythagorean Means and RMS

    Activity

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  • 「相似三角形」任务3

    Activity

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  • 「相似三角形」任务5

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