NCERT - 8 - Maths :: Linear Equations in One Variable

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Go To: NCERT-Mathematics-Grade 8

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Course Content / Subtopic list:


  1. Solving Equations Which Have Linear Expressions
  2. Some Applications
  3. Solving Equations Having Variable On Both Side
  4. Reducing Equations To Simpler Form
  5. Equations Reducible To The Linear Form

Lesson Plan

[Author - Kripa S]


Objective: Revise algebraic expressions and solve equations with one variable

Subtopics to be covered:

- What are algebraic expressions and equations

- Form equations with one variable and solve (variable on one side, variable on both sides)

- Reduce a given equation to simpler form

Learning Outcome:

- Students can solve algebraic equations and find the value of x



Videos

[Author - Rishi Mazumdar]


https://hi.khanacademy.org/math/in-eighth-grade-math/linear-equations-one-variable (Khan Academy)


Images

[Author - Kripa S]


https://www.mathsisfun.com/algebra/images/variable-constant.gif (variable, terms)

https://image.slidesharecdn.com/solvinglinearequations-130703103158-phpapp02/95/solving-linear-equations-4-638.jpg?cb=1372847564 (types of equation)


Activities

[Author - Kripa S]


1. Sum of two numbers is 74. One of the numbers is 10 more than the other. What are the numbers?

2. Three consecutive integers add up to 51. What are these integers?

3. Share the difference between a variable and a constant


Additional Aids

[Author - Trisha Srivastava]


https://drive.google.com/open?id=0BzNF2YyqQxJ-VGphNmRBenlLN3M (Answer key 1)

https://drive.google.com/open?id=0BzNF2YyqQxJ-QUJZb3FRa01ybDA (Answer key 2)

https://drive.google.com/open?id=0BzNF2YyqQxJ-dGFVekFCQlZYakk (Answer key 3)

https://drive.google.com/open?id=0BzNF2YyqQxJ-S0QyalRnb0hsQUU (Answer Key 4)


Transliteration

[Author - Fathima Nazar]

Term Transliterated Term Translated Term
consecutive कनसिक्युटिव लगातार
positive पॉसिटिव सकारात्मक
variable वेरिएबल परिवर्तनशील
expression एक्सप्रेशन अभिव्यक्ति
equation इक्वेशन समीकरण
linear लीनियर रैखिक

Worksheets

[Author - Trisha Srivastava]


https://drive.google.com/open?id=0BzNF2YyqQxJ-TTBWeFpuY2RTQW8 (Worksheet 1)

https://drive.google.com/open?id=0BzNF2YyqQxJ-SnRHZHBMV2FHVG8 (Worksheet 2)

https://drive.google.com/open?id=0BzNF2YyqQxJ-V2RpM2lEYzRPRXc (Worksheet 3)

https://drive.google.com/open?id=0BzNF2YyqQxJ-OHdjc19yaWtVS2M (Worksheet 4)



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