NCERT - 7 - Maths :: Rational Numbers

Go To: NCERT-Mathematics-Grade 7

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• Course Content
• Textbook
• Teaching Learning Resources

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

[Author - Kripa S]

http://epathshala.nic.in/wp-content/doc/book/flipbook/Class%20VII/0757-Ganit/Chap-9/index.html (NCERT Hindi Medium)

http://epathshala.nic.in/wp-content/doc/book/flipbook/Class%20VII/0756-Mathematics/Chapter%209/index.html (NCERT English Medium)

https://drive.google.com/open?id=0BzNF2YyqQxJ-b2Q1bWU3dENJQVE (JEPC Board) (Hindi Medium)

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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