Math Learning from Sundaram Sir


We have learnt the following topics and few techniques, puzzle(ken-ken) also learnt new information like Kaprekar constant, Collatz conjecture in excel. September 11(world trade centre hijacked)  etc…

S.No Topic Link
1 Place value (i) part 1:

(ii) part 2:

(ii) part 3:

2 Place Value real life examples


3 Addition stories


4 Word problem(Add-2 types, Sub-4 types)
5 Word problem(Add-2 types, Sub-4 types, and division -2types)
6  Equal sharing along with multiplication
7 Ratio
8 Difference between history and concepts





(i) part 1:

(ii) part 2:

(ii) part 3:

9 Geometry(triangles(scalene), parallelogram, rhombus)
10 Word problem
11 The surface area along with examples

12 Fraction Addition and subtraction

Comparison of fraction

Stories for fraction
13 Fraction rule

Fraction stories
14 Angles, angular distance, linear distance

Types of angles
15 Sets square – draw angles using sets square
16 Types of Angles chart/family tree