mathematical operations

Where do math symbols come from?

Math is full of symbols: lines, dots, arrows, English letters, Greek letters, superscripts, subscripts ... it can look like an illegible jumble. Where did all of these symbols come from? John David Walters shares the origins of mathematical symbols, and illuminates why they’re still so important in the field today.

Add it, fit it, solve it

Pillu, the plumber is stuck with an adding problem. Drag the pipes of right size to fit and help him solve it.

Number Game with Random Digits

Swati shares a game from Swanirvar/Shikshamitra that assesses number operations and demands higher order thinking skills. Did we tell you that it is a cheating proof game!?

A brick wall math game

A teacher friendly way of giving lot of practice problems on basic mathematical operations.
This one is from Sw

Best of 2015 Classroom Ideas

Here is a quick rewind of some interesting ideas that got featured on the Teachers of India website. We know it is not final. We know there are very many resources you found it useful that we couldn't feature in this particular list. How about you making your own list and sending it to us. We also invite you to remix ideas from your own experience and share it with larger teacher community. That would be a great bang to start the year!

Give me one more problem, please!

"There is no difference between living and learning... it is impossible and misleading and harmful to think of them as being separate.” ~ John Holt

What is 76 - 20?

Two days back I was assessing one of the 6th grade students. The purpose was same as before, to know her level of conceptual understanding.

Division, the most complex of operations

This presentation deals with some of the common questions/difficulties related to division with suitable materials including base-10 blocks and arrow cards.

A Visual Manual for Ganitmala

A visual manual on how to use a ganitmala to show whole numbers, add, subtract, multiply and divide them. Also includes how to show the division algorithm for HCF.