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GeoGebra

Yardwork in Segments

For Students 9th - 12th Standards
Stretch your knowledge of ratios to the coordinate plane. The interactive allows pupils to set the endpoints of a directed line segment and form a right triangle. Using rubber bands, users visualize the line segment divided into equal...
Interactive
Curated OER

Pythagorean Theorem

For Students 9th
In this Pythagorean theorem worksheet, 9th graders solve and complete 8 different types of problems. First, they go to the given website and copy the picture shown. Then, students draw a right triangle using the straight line between the...
Interactive
Math Playground

Math Playground: Geometry Board

For Students K - 1st Standards
Create polygons by stretching bands over pegs on this geometry board. Then find the area and perimeter of the shape you created.
Interactive
National Council of Teachers of Mathematics

Nctm: Illuminations: Making Triangles

For Students Pre-K - 1st Standards
Understand the mathematical meaning of a triangle and the idea of congruence, or sameness, in geometry.