# scale

## QUILTING Explorations by a Mathematics Teacher

I must confess that it was the top layer that attracted me to quilting. This was clearly a case of the whole being greater than the sum of its parts- I was wonderstruck at how scraps of material could be pieced together to make beautiful patterns that were all at once eye-catching and pleasing.

## Adding on a number scale, playfully

The game featuring Ali, the ant helps the learners comprehend that adding positive integers makes the number bigger. It also gives them the practice of using a scale & number line.

## Points, lines, rays and line segments - 2

Here is a sequel to the Introduction of points and lines (straight and curved) and some inter-linkages as well as lines, rays and line segments.

## Points, lines, rays and line segments - 1

Introducing points and lines (straight and curved) and some inter-linkages as well as lines, rays and line segments - from Shikshamitra.

## Constructions of special angles

Here is a step by step guide of how to construct some special angles with compass and straight edge - a Shikshamitra presentation.

## Measuring lengths of line segments and angles

Here is a step by step guide on how to measure (i) lengths with a scale, which may be a bit broken and (ii) angles with a protractor - a Shikshamitra presentation.

## Constructing specific triangles

How do we construct different types of triangles using scale and compass? This has been explained in a very simple manner in the presentation given below.

## Construction in the classroom

Don't discard a ruler that has broken! A broken ruler can still be used to draw a line segment of a given length. Swati Sircar, from Shikshamitra, shows us how. She also shows us how to draw an angle with a given measure.

## Scale of the Large

This video will help with comprehending the scale of the large - buildings, land forms, planets, stars, and the universe.

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