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Transversals in Triangles

Author: Dieter Bergmann

Område:  Mathematics

Labels: 2D shapes, Algebra, Analysis, Analytic Geometry, Animations, Calculus, Chaos, Derivative, Didactics, Dynamic Simulations, Dynamic Systems, Equations, Function Plotter, Functions, Geometry, Graphing, Sharing Inspiration 2017, Solving equations, Triangle, Zeros

Simple properties of medians, central verticals, angle bisectors and heights are shown.The idea is to show that it is not self-evident, that transversal lines in a triangle intersect in one…

Earth-Moon Model

Author: Nevil Hopley

Område:  STEM

Labels: E-Learning, Algebra, Modelling

Constructing a scale model of the Earth and Moon in a classroom.

A Lunar Ellipse

Author: Ian Galloway

Område:  STEM

Labels: 3D Geometry, Coding, Algebra, Randomness, Angles, STEM, Area, T3, Ellipse, TI-Innovator, Frequency, Modelling, Physics, Sine

Students consider the question "What is the shape of the curve forming the terminator of the crescent moon?" They then calculate the area of the crescent and graph its variation over one m…

Angle Theorems

Author: Barrie Galpin

Labels: Algebra

Traditional angle theorems explored in a far from traditional way!

Dissecting squares

Author: Barrie Galpin

Labels: Fractions, Scattergraphs, Algebra, Geometry

A square is dissected to form three triangles and a quadrilateral. What fraction of the square is each part?

The sheep-pen problem

Author: Barrie Galpin

Labels: Quadratic, Perimeter, Area, Algebra

Recognise a quadratic in a realistic context and solve an optimisation problem

M3 - Das Grundgesetz der Mechanik (2. Newton`sches Axiom)

Publisher: T3 Deutschland - Materialien

Author: Mirco Tewes

Område:  Physics, STEM

Labels: Algebra

Das Grundgesetz der Mechanik beschreibt die Wirkung einer Kraft auf die Bewegung eines