# Math Learning from Sundaram Sir

~Saranya

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: https://youtu.be/wXG1F5nyLyY (ii) part 2:  https://youtu.be/ySa-8k5UnZc (ii) part 3: https://youtu.be/t_tN0s4gnhI 2 Place Value real life examples https://youtu.be/HEgijGQABEw 3 Addition stories https://youtu.be/B0i-AFqh3l4 4 Word problem(Add-2 types, Sub-4 types) https://youtu.be/jV5-Pa2C73E 5 Word problem(Add-2 types, Sub-4 types, and division -2types) https://youtu.be/gOszHLHMgKI 6 Equal sharing along with multiplication https://youtu.be/kERMsSkW6pE 7 Ratio https://youtu.be/h5SV_uPpCrA 8 Difference between history and concepts   Geometry   Ken-ken(sudoku) (i) part 1: https://youtu.be/qJS0R_xBDvU (ii) part 2: https://youtu.be/f4HbQM3qma8 (ii) part 3:  https://youtu.be/tCuZMkZ9yds 9 Geometry(triangles(scalene), parallelogram, rhombus) https://youtu.be/k7dOko_vZEk 10 Word problem https://youtu.be/QMBqxF1BHaE 11 The surface area along with examples Fraction https://youtu.be/-F-8pN4MAyM 12 Fraction Addition and subtraction Comparison of fraction Stories for fraction https://youtu.be/nTrfFKgWkYU 13 Fraction rule Fraction stories https://youtu.be/7_BKXGwHijg 14 Angles, angular distance, linear distance Types of angles https://youtu.be/mWylO7CvI-E 15 Sets square – draw angles using sets square https://youtu.be/aCVnOvK6YJI 16 Types of Angles chart/family tree https://youtu.be/0SxEwisQnL4