Click here for STEM Tinkering Activities
All in one Quadrilateral!
All in one Triangle!
Area of triangles with the same base and height!
Angles using card circles
Bigger Watermelon!
Cardboard Geoboard
Conics with Carrots!
Conic Section
Five caps from a newspaper sheet
Four triangles with six sticks!
Geometry with two triangles
Geometry with 4 Triangles
Icosahedron & Golden Rectangles!
Introduction to surface area
Paper flexagon!
Paper with no top no bottom!
Parts of a circle!
Platonic solid - Cube
Platonic solid - Dodecahedron
Platonic solid - Icosahedron
Platonic solid - Octahedron
Platonic solid - Tetrahedron
Radius of a Circle!
Same area, different perimeter
Sectors using card circles
Simple Abacus
Simple Geoboard using Push Pins!
Sum of angles of a triangle & a quadrilateral
Square to Triangle
Tangrams!
The T-Puzzle
Three pieces Quadrilaterals
Triangles to Quadrilaterals!
Triangle to Rectangle
Value of Pi (π)!
Visual Proof of (a+b)2
Visual Proof of the Pythagorean Theorem!
Walk through a postcard!
Which cylinder holds more?
Why area of circle is πr2 ?
Why are tree trunks cylindrical in shape?
Why area of triangle is 1/2 x base x height?
Home