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Een uitgebreide variant van de ABC-formule

Author: Jan Elemans

Område:  Mathematics

Labels: 2D shapes, Tutorial, Algebra, Programming, Analysis

Transversals in Triangles

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…

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

Moveable Squares

Move congruent squares to form nets, polyominoes and other shapes. (Ideally used with TI-Nspire Navigator)

Author: Barrie Galpin

Labels: Nets, 2D shapes, Symmetry

Connecting Algebra, Geometry and Graphs

Move from words to symbols, to geometric representations, to plotted points and finally to graphs.

Author: Barrie Galpin

Labels: Linear, Quadratic, 2D shapes, Letters and symbols

Diameters of Polygons

Investigate the ratio of perimeter to diameter for regular polygons.

Author: Barrie Galpin

Labels: 2D shapes, Perimeter


Investigate shapes formed by joining mid-points of adjacent sides of a quadrilateral.

Author: Barrie Galpin

Labels: 2D shapes, Geometry