NCERT - 8 - Maths :: Playing with Numbers
Go To: NCERT-Mathematics-Grade 8
Course Content / Subtopic list:
- Numbers In General Form, Games With Number
- Letters For Digits
- Tests For Divisibility
[Author - Kripa S]
http://epathshala.nic.in/wp-content/doc/book/flipbook/ClassVIIIFlipbook/0853-Ganit/Chapter_16/index.html (NCERT Hindi Medium)
http://epathshala.nic.in/wp-content/doc/book/flipbook/ClassVIIIFlipbook/0852-Mathematics/16/index.html (NCERT English Medium)
https://drive.google.com/open?id=0BzNF2YyqQxJ-LU5xbHlMRVpKbzQ (JEPC Board) (Hindi Medium)
Lesson Plan
[Author - Kripa S]
Objective: Practice divisibility, factors, multiplication through puzzles
Subtopics to be covered:
- Reversing the digits
- Letters for digits
- Tests for divisibility - 2,5,10, 3 and 9
Learning Outcome:
- Students know how to represent a number in standard form (eg. 2 digit no. as 10a+b)
- They know to solve sums and find values for alphabets.
- They can solve puzzles and number games using general divisibility principles
Videos
[Author - Rishi Mazumdar]
https://hi.khanacademy.org/math/in-math-by-grade/in-eighth-grade-math/playing-numbers-1 (Khan Academy)
Images
[Author - Kripa S]
http://www.iqtestexperts.com/brainteasers/wp-content/uploads/2010/09/bt-wp-08.gif (number game 1)
https://s-media-cache-ak0.pinimg.com/originals/ed/d1/e9/edd1e9dae6ffcaeb3e2d6a646eed8a7f.gif (number game 2)
Additional Aids
[Author - Sneha Tripathi]
https://drive.google.com/open?id=0BzNF2YyqQxJ-WXlxbzQyUTdTYTg
Worksheets
[Author - Sneha Tripathi]
https://drive.google.com/open?id=0BzNF2YyqQxJ-ZTgzNW9ZQ3N4aFE
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