Difference between revisions of "NCERT - 8 - Maths :: Cubes and Cube Roots"
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=Videos= | =Videos= | ||
− | [ | + | [Contributor - Rishi Mazumdar] |
(Source - Khan Academy) | (Source - Khan Academy) | ||
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https://hi.khanacademy.org/math/in-eighth-grade-math/cubes-cube-roots (Hindi - Cube Roots) | https://hi.khanacademy.org/math/in-eighth-grade-math/cubes-cube-roots (Hindi - Cube Roots) | ||
(Source - HindiFreeMath(Pratham) ) | (Source - HindiFreeMath(Pratham) ) | ||
+ | |||
https://www.youtube.com/watch?v=Ctmq0SANBQw (Hindi - Cube and Cube Roots) | https://www.youtube.com/watch?v=Ctmq0SANBQw (Hindi - Cube and Cube Roots) | ||
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=Transliteration= | =Transliteration= | ||
+ | {| class="wikitable" | ||
+ | |'''''Term'''''' || ''''''Transliterated Term'''''' || ''''''Translated Term'''''' | ||
+ | |- | ||
+ | |cube || क्यूब || घन | ||
+ | |- | ||
+ | |cube root || क्यूब रूट || घनमूल | ||
+ | |- | ||
+ | |prime factors || प्राइम फैक्टर्स || अभाज्य गुणनखंड | ||
+ | |- | ||
+ | |quotient || कोसंट || भागफल | ||
+ | |- | ||
+ | |unit digit || यूनिट डिजिट || इकाई अंक | ||
+ | |- | ||
+ | |perfect cube || परफेक्ट क्यूब || पूर्ण घन | ||
+ | |- | ||
+ | |natural number || नेचुरल नंबर || प्राकृत संख्या | ||
+ | |- | ||
+ | |consecutive integers || कोंसएकुटिव इनटीजर्स || क्रमागत पूर्णांक | ||
+ | |- | ||
+ | |odd number || ओड नंबर || विषम संख्या | ||
+ | |- | ||
+ | |even number || इवन नंबर || सम संख्या | ||
+ | |- | ||
+ | |cuboid || क्युबोइड || घनाब | ||
+ | |- | ||
+ | |||
+ | |} | ||
=Worksheets= | =Worksheets= |
Revision as of 10:56, 24 November 2017
Go To: NCERT-Mathematics-Grade 8
- Lesson Plan
- Textbook
- Videos
- Images
- Activities
- Additional Aids
- Transliteration
- Worksheets
- Assessments
[Author - Kripa S]
Objective: Introduce cubes and cube roots
Subtopics to be covered:
- Cubes from 1 - 10
- Perfect cubes, factors for cubes
- Properties of cubes- for odd numbers and even numbers
- Cube roots by factorization method
- Cube roots by estimation method
Learning Outcome:
- Students can find cube for a given number
- They can find cube root for a given number by one of the two methods
[Author - Kripa S]
http://epathshala.nic.in/wp-content/doc/book/flipbook/ClassVIIIFlipbook/0853-Ganit/Chapter_7/index.html (NCERT Hindi Medium)
http://epathshala.nic.in/wp-content/doc/book/flipbook/ClassVIIIFlipbook/0852-Mathematics/7/index.html (NCERT English Medium)
https://drive.google.com/open?id=0BzNF2YyqQxJ-MDd6SHRJbFZrQjg (JEPC Board) (Hindi Medium)
[Contributor - Rishi Mazumdar]
(Source - Khan Academy)
https://hi.khanacademy.org/math/in-eighth-grade-math/cubes-cube-roots (Hindi - Cube Roots)
(Source - HindiFreeMath(Pratham) )
https://www.youtube.com/watch?v=Ctmq0SANBQw (Hindi - Cube and Cube Roots)
[Author - Kripa S]
https://image.slidesharecdn.com/chcubesandcuberoot-141022063109-conversion-gate01/95/cubes-and-cube-root-8-638.jpg?cb=1413959587 (example of cube, cube root)
http://www.learnnext.com/media/images/lessonImg/classVIII/maths/clip_image006_0039.jpg ( fun fact with cubes)
http://3.bp.blogspot.com/-aAZIwhwgTJQ/VdHew1IPrbI/AAAAAAAAAhM/Xhh3GU2zwYs/s1600/cube1.PNG (cubes for 1 - 10)
[Author - Kripa S]
1. Make a chart of cubes for numbers 1 to 20.
2. Make a chart of numbers whose cube roots are from 1 to 20
3. Make teams of two students each, where one student will ask cube of a number, and other student will ask cube root of a number.
Term' | 'Transliterated Term' | 'Translated Term' |
cube | क्यूब | घन |
cube root | क्यूब रूट | घनमूल |
prime factors | प्राइम फैक्टर्स | अभाज्य गुणनखंड |
quotient | कोसंट | भागफल |
unit digit | यूनिट डिजिट | इकाई अंक |
perfect cube | परफेक्ट क्यूब | पूर्ण घन |
natural number | नेचुरल नंबर | प्राकृत संख्या |
consecutive integers | कोंसएकुटिव इनटीजर्स | क्रमागत पूर्णांक |
odd number | ओड नंबर | विषम संख्या |
even number | इवन नंबर | सम संख्या |
cuboid | क्युबोइड | घनाब |
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