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A Story of Numbers — Flashcards

CBSE · Class 8 · Mathematics

70 flashcards for A Story of Numbers (CBSE Class 8 Mathematics) to test yourself on key terms and facts. Sample: "संख्या प्रणाली क्या है?"

113 questions70 flashcards6 formulas & key relations5 concepts

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70 Flashcards·
मूल विचारBasic ideasगणना के तरीकेCounting methodsEarly number systemsप्रारंभिक संख्या प्रणालियाँ
Card 1मूल विचार

संख्या प्रणाली क्या है?

Answer

संख्या प्रणाली (number system) वस्तुओं, नामों या लिखित चिह्नों का एक मानक अनुक्रम होता है, जिसमें एक निश्चित क्रम होता है और जिसका उपयोग संख्याओं की गिनती और उन्हें निरूपित करने के लिए किया जाता है। उ…

Card 2Basic ideas

What is a number system?

Answer

A number system is a standard sequence of objects, names, or written symbols with a fixed order, used for counting and representing numbers. Examples include stick counting, number names, and written …

Card 3Basic ideas

What is a numeral?

Answer

A numeral is a symbol or group of symbols used in a written number system. For example, 0, 1, 5, 36, and 193 are numerals in the Hindu number system.

Card 4मूल विचार

अंक क्या होता है?

Answer

अंक (numeral) किसी लिखित संख्या प्रणाली में प्रयुक्त एक चिह्न या चिह्नों का समूह होता है। उदाहरण के लिये ०, १, ५, ३६, १९३ हिन्दू संख्या प्रणाली के अंक हैं।…

Card 5गणना के तरीके

गणना में एक-से-एक मानचित्रण क्या है?

Answer

एक-से-एक मानचित्रण का अर्थ है कि प्रत्येक वस्तु को ठीक एक छड़ी, नाम या प्रतीक के साथ मिलाया जाता है, और कोई भी दो वस्तुएँ एक ही वस्तु साझा नहीं करती हैं। यह एक संग्रह को सटीक रूप से गिनने में मदद करता…

Card 6Counting methods

What is one-to-one mapping in counting?

Answer

One-to-one mapping means each object is matched with exactly one stick, name, or symbol, and no two objects share the same one. This helps count a collection accurately.

Card 7Early number systems

Why are tally marks important in the history of numbers?

Answer

Tally marks are one of the oldest ways of representing numbers. A mark is made for each object, often on bones or cave walls. This method helped early humans count food, animals, and days.

Card 8प्रारंभिक संख्या प्रणालियाँ

संख्याओं के इतिहास में गिनती के निशान क्यों महत्वपूर्ण हैं?

Answer

संख्याओं को दर्शाने के सबसे पुराने तरीकों में से एक है टैली मार्क। प्रत्येक वस्तु के लिए एक निशान बनाया जाता है, अक्सर हड्डियों या गुफा की दीवारों पर। इस विधि ने शुरुआती मनुष्यों को भोजन, जानवरों और द…

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Frequently Asked Questions

What are the important topics in A Story of Numbers for CBSE Class 8 Mathematics?
Key topics in A Story of Numbers include Early Ways of Counting and Representing Numbers, Number Systems Before the Hindu System, The Idea of Base and Place Value, Zero and the Hindu Number System. Study these first, then practise questions on each for Class 8 exams.
How many flashcards are available for A Story of Numbers?
There are 70 flashcards for A Story of Numbers covering key definitions, facts and ideas. A few sample cards are shown on this page.
How should I revise A Story of Numbers for Class 8 exams?
Learn the core ideas first, then work through the 113 practice questions on A Story of Numbers. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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