### Angle bisector – two definitions

Definition 1. An angle bisector is a line or a ray that divides an angle in two congruent angles. In the figure below, AG is […]

Definition 1. An angle bisector is a line or a ray that divides an angle in two congruent angles. In the figure below, AG is […]

The objective of this activity is to construct the perpendicular bisector of a segment using compass and straight edge. The following tools will be useful […]

This slideshow will guide you on how to make an improvised electrolysis apparatus. Construction of an improvised electrolysis apparatus 2 You may also want to […]

Some food products are fortified with essential minerals like zinc, calcium, and iodine. Usually, these minerals are added in the form of their compounds. For […]

GeoGebra is a free dynamic mathematics software that is capable of linking concepts in algebra, geometry, calculus, and statistics. It can construct mathematical objects such […]

You can use the following interactive worksheet to help students make connection between the graphs and the equations of exponential functions and between the exponential […]

Lesson study is a school-based approach to professional development of teachers. We share in the following presentation the result of a research we conducted in 2004 […]

The following presentation can be used as framework in planning, implementing, analyzing, and revising your mathematics lessons in your Lesson Study. Planning and analyzing mathematics […]

Constructing Congruent Triangles is a GeoGebra worksheet that you can use to teach students on how to construct a triangle congruent to another triangle. There are several […]

The most basic of all geometric constructions is constructing a segment congruent to a given segment. Geometric construction is done using a compass and straight […]

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