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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

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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

Kenichi Iijima

  • Resources
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  • Trigonometric Ratios of 180°−θ

    Activity

    Kenichi Iijima

  • 180°−θ の三角比

    Activity

    Kenichi Iijima

  • Trigonometric Ratios of 90° + θ

    Activity

    Kenichi Iijima

  • 90°+θ の三角比

    Activity

    Kenichi Iijima

  • Trigonometric Ratios of 90° − θ

    Activity

    Kenichi Iijima

  • 90°−θ の三角比

    Activity

    Kenichi Iijima

  • 三角比を図を使って求める

    Activity

    Kenichi Iijima

  • Finding Trigonometric Ratios from Coordinates

    Activity

    Kenichi Iijima

  • tanの定義

    Activity

    Kenichi Iijima

  • Exploring the Definition of Tangent

    Activity

    Kenichi Iijima

  • 三角比の定義を探る

    Activity

    Kenichi Iijima

  • Exploring the Definition of Trigonometric Ratios

    Activity

    Kenichi Iijima

  • 三角比の定義:長さから座標へ

    Activity

    Kenichi Iijima

  • Trigonometric Ratios: From Lengths to Coordinates

    Activity

    Kenichi Iijima

  • Practicing Trigonometric Ratios

    Activity

    Kenichi Iijima

  • 三角比の定義の練習

    Activity

    Kenichi Iijima

  • Finding Trigonometric Function Values Using the Unit Circle

    Activity

    Kenichi Iijima

  • 三角関数の値を単位円を使って求める

    Activity

    Kenichi Iijima

  • Finding Trigonometric Ratios Using the Unit Circle

    Activity

    Kenichi Iijima

  • 三角比を単位円を使って求める

    Activity

    Kenichi Iijima

  • Conic Sections and Eccentricity

    Activity

    Kenichi Iijima

  • 離心率と円錐曲線

    Activity

    Kenichi Iijima

  • 加法定理の証明1

    Activity

    Kenichi Iijima

  • 統計的な推測

    Book

    Kenichi Iijima

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