17 June, 2017
07 April, 2017
Activity- When you say Geometry, what comes to your mind?
Make a mind map.
Here are students responses.
- geometrical shapes
- 2D shapes- Triangle, Quadrilateral, Square, Rhombus, Rectangle, trapezium, parallelogram, polygon, pentagon, hexagon, heptagon, octagon, nonagon, decagon, icosihengaon, point, line, plane, parallel lines, intersecting lines, coincident lines, transversal, angle, acute angle, obtuse angle, right angle, reflex angle, complementary angles, supplementary angles, area, perimeter, theorem, angle sum property, Pythagoras theorem,
- 3D shapes- tetrahedron, cube, octahedron, dodecahedron, icosahedron
10 February, 2017
24 January, 2017
Aim To verify the Basic Proportionality theorem by paper cutting and pasting using a parallel line board. Material required Coloured paper, ...
Aim : To verify that the sum of first n natural numbers is n (n + 1) / 2, i.e. Σ n = n (n + 1) / 2, by graphical method. Material Required :...
Aim: To explore the relationship between the interior angles of a triangle by paper cutting and pasting. Material required: coloured paper, ...