NCERT - 7 - Maths :: Rational Numbers

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Go To: NCERT-Mathematics-Grade 7

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Course Content / Subtopic list:


  1. Need For Rational Numbers, What Are Rational Number?
  2. Positive And Negative Rational Numbers, Rational Numbers
  3. Comparison Of Rational Numbers
  4. Operations On Rational Numbers

Lesson Plan

[Author - Kripa S]


Objective: Introduce rational numbers and properties of rational numbers

Subtopics to be covered:

- Define rational numbers, equivalent rational numbers

- Rational numbers in standard form

- Compare two rational numbers, Number line

- Operations on rational numbers (+, -, x, ÷)

- Additive inverse, Multiplicative inverse of a rational number

Learning Outcome:

- Students can identify the properties of a rational number based on any operation

- Students can solve problems on rational numbers (+, -, x, ÷)



Videos

[Author - Rishi Mazumdar]

(Source - Smart Learning for All)

https://www.youtube.com/watch?v=9yvtLN_24G0 (English - Rational numbers - animated)

Images

[Author - Kripa S]


http://4.bp.blogspot.com/_6c3ihz9hDWY/TPJsBrhS1JI/AAAAAAAAAAs/4jIhQR7xfYk/s1600/Rational+numbers.png (Rational Numbers)

https://s3-ap-southeast-1.amazonaws.com/learnhive/lcards/Rational-Numbers-5220428eec40a.png (properties of rational numbers)

Activities

[Author - Kripa S]


1. Make two teams. One team will write a number on board, and other team will guess whether it is a rational number or not.

2. Make a chart of how rational numbers consists of integers, whole numbers, natural numbers.


Additional Aids

[Contributor - Shashank Verma]

https://drive.google.com/open?id=0BzNF2YyqQxJ-Uk03ekR3U05DUUk

Transliteration

[Contributor - Suwetha]

Term Transliterated Term Translated Term
Rational numbers रैशनल नंबर्स परिमेय संख्याएँ
Integers इंटिगर्स पूर्णांक
Ratio रेश्यो अनुपात
Numerator न्यूमरेटर अंश
Denominator डिनामिनेटर हर
Fractions फ्रैक्शन्स भिन्नों
Number line नंबर लाइन संख्या रेखा
Standard form स्टैण्डर्ड फॉर्म मानक रूप
Common factor कॉमन फैक्टर सार्व गुणनखंड
Addition अडिशन योग
Additive inverse अडिटिव इनवर्स योज्य प्रतिलोम
Subtraction सब्ट्रैक्शन व्यवकलन
Multiplication मल्टिप्लिकेशन गुणन
Division डिविशन विभाजन
Reciprocal रेसिप्रोकाल व्युत्क्रमो

Worksheets

[Contributor - Shashank Verma]

https://drive.google.com/open?id=0BzNF2YyqQxJ-NGhlMWw2MF84a00


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