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Fun with Numbers (Numbers 21 to 99) — Flashcards

CBSE · Class 1 · Mathematics

60 flashcards for Fun with Numbers (Numbers 21 to 99) (CBSE Class 1 Mathematics) to test yourself on key terms and facts.

45 questions60 flashcards5 concepts

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60 Flashcards·
Grouping in tensदसों में समूहीकरणCounting in tensदस में गिनतीसमूहीकरण के माध्यम से गुणन का विचारMultiplication idea through grouping
Card 1Grouping in tens

Simran has oranges in boxes. Each box holds 10 oranges. If there are 20 oranges, how many boxes are needed?

Answer

Step 1: One box holds 10 oranges. Step 2: 20 oranges = 10 + 10. Step 3: So, 2 boxes are needed. Answer: 2 boxes.

Card 2दसों में समूहीकरण

सिमरन के पास संतरों के डिब्बे हैं। प्रत्येक डिब्बे में 10 संतरे हैं। यदि 20 संतरे हैं, तो कितने डिब्बों की आवश्यकता होगी?

Answer

चरण 1: एक डिब्बे में 10 संतरे हैं। चरण 2: 20 संतरेs = 10 + 10. चरण 3: तो, 2 डिब्बों की आवश्यकता है। उत्तर: 2 डिब्बे।…

Card 3दसों में समूहीकरण

नारंगी गतिविधि में एक बॉक्स क्या दिखाता है?

Answer

एक डिब्बे में 10 संतरे दिखते हैं। चरण 1: 10 संतरे गिनें। चरण 2: उन्हें एक डिब्बे में डालें। चरण 3: एक पूरा डिब्बा मतलब 10 संतरे। उत्तर: 1 box = 10 oranges.

Card 4Grouping in tens

What does one box show in the orange activity?

Answer

One box shows 10 oranges. Step 1: Count 10 oranges. Step 2: Put them in one box. Step 3: One full box means 10 oranges. Answer: 1 box = 10 oranges.

Card 5Counting in tens

Count by tens: 10, 20, __, 40, 50

Answer

Step 1: Count the numbers in tens. Step 2: After 20 comes 30. Step 3: The full list is 10, 20, 30, 40, 50. Answer: 30.

Card 6दस में गिनती

दस के हिसाब से गिनें: 10, 20, __, 40, 50

Answer

चरण 1: संख्याओं को दहाई में गिनें। चरण 2: 20 के बाद 30 आता है। चरण 3: पूरी सूची 10, 20, 30, 40, 50 है। उत्तर: 30।…

Card 7समूहीकरण के माध्यम से गुणन का विचार

एक बच्चे के पास 3 संतरों के डिब्बे हैं। प्रत्येक डिब्बे में 10 संतरे हैं। कुल कितने संतरे हैं?

Answer

चरण 1: 1 box = 10 oranges. चरण 2: 3 boxes = 10 + 10 + 10. चरण 3: 10 + 10 + 10 = 30. उत्तर: 30 संतरे।…

Card 8Multiplication idea through grouping

A child has 3 boxes of oranges. Each box has 10 oranges. How many oranges are there?

Answer

Step 1: 1 box = 10 oranges. Step 2: 3 boxes = 10 + 10 + 10. Step 3: 10 + 10 + 10 = 30. Answer: 30 oranges.

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Frequently Asked Questions

What are the important topics in Fun with Numbers (Numbers 21 to 99) for CBSE Class 1 Mathematics?
Key topics in Fun with Numbers (Numbers 21 to 99) include Numbers in Tens, Using Ginladi, Numbers 51 to 99, Picture and Activity Questions. Study these first, then practise questions on each for Class 1 exams.
How many flashcards are available for Fun with Numbers (Numbers 21 to 99)?
There are 60 flashcards for Fun with Numbers (Numbers 21 to 99) covering key definitions, facts and ideas. A few sample cards are shown on this page.
How should I revise Fun with Numbers (Numbers 21 to 99) for Class 1 exams?
Learn the core ideas first, then work through the 45 practice questions on Fun with Numbers (Numbers 21 to 99). 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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