CBSE Class 2 Math Magic NCERT Solutions: Chapter 4 - Counting in Tens
CBSE Class 2 गणित का जादू, अध्याय 4, 'दस दस में गिनो', संख्याओं को दस के समूह में गिनने की बुनियादी अवधारणा विकसित करने पर केंद्रित है। छात्र दस के समूह बनाकर वस्तुओं को गिनना, स्थानीय मान को समझना और दस से संबंधित सरल जोड़ करना सीखेंगे। समाधानों में चूजों और जलाऊ लकड़ी के बंडलों को गिनने से लेकर फूलों और पेंसिलों को दस के समूह में व्यवस्थित करने तक के विभिन्न परिदृश्य शामिल हैं। इन अभ्यासों के माध्यम से, छात्र संख्या बोध का निर्माण करेंगे और बड़ी मात्रा का अनुमान लगाने और गिनने की अपनी क्षमता में सुधार करेंगे। ये NCERT समाधान छात्रों को दस के समूह में गिनने की मुख्य अवधारणाओं को समझने में सहायता करने के लिए डिज़ाइन किए गए हैं, जिससे अंकगणित की अधिक जटिल समस्याओं से निपटना आसान हो जाता है और प्रभावी परीक्षा संशोधन के लिए उनकी सीखने को सुदृढ़ किया जाता है।
Quick info
| Board | CBSE |
|---|---|
| Class | Class 2 |
| Subject | गणित का जादू |
| Session | 2026 |
| Language | Hindi |
| Type | NCERT Solutions |
| Chapter | 4. दस दस में गिनो |
Chapter summary
Chapter 4, 'Counting in Tens' (दस दस में गिनो), of the Class 2 Math Magic textbook, introduces students to the concept of grouping by tens. The NCERT Solutions provide step-by-step answers to problems involving counting objects in groups of ten, understanding how tens and ones form numbers, and performing addition with tens. Exercises include counting baskets of chicks, bundles of firewood, pencils, and bindis, helping students visualize and practice counting in tens.
Learning outcomes
- Understand the concept of grouping objects in tens.
- Count objects by forming groups of ten.
- Relate groups of ten to the tens place in numbers.
- Perform simple addition involving tens and ones.
- Solve word problems based on counting in tens.
Topics covered
Paper topics
- Counting in groups of ten
- Forming tens and ones
- Addition with tens
- Place value (tens and ones)
- Word problems involving tens
Important topics
- Understanding groups of ten
- Tens and ones representation
- Counting by tens
- Addition of tens and ones
PDF preview
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Questions and Solutions
चूजे और चालक लोमड़ी
Q1. दस चूजों से भरी यहाँ कितनी टोकरियाँ हैं?
Q2. यहाँ सब मिलाकर कितने चूजे हैं? 50 + 4 =
Q3. दस चूजों से भरी टोकरियाँ हैं _____ .
Q4. कुल मिलाकर ____ + 3 = ____ चूजे हैं।
बोलो भई कितने?
Q1. 3 गट्टर में लकड़ियाँ हैं।
Q2. अब ये कितनी लकड़ियाँ हैं? कुल लकड़ियाँ
Q3. 4 गट्टर का मतलब है। ___ लकड़ियाँ
ये कितने हैं?
Q1. अगर तुम्हारे पास 21 फूल हों तो तुम दस-दस फूलों की कितनी मालाएँ बनाओगे? नीचे बनाकर दिखाओ।
Q2. वहाँ 10 पेंसिलों के कितने पैकेट हैं?
Q3. पैकेट से बाहर कितनी पेंसिलें हैं?
Q4. कुल ____ पेंसिलें हैं।
Q5. उसके पास कितने पैकेट हैं?
Q6. कुल कितनी बिंदियाँ हैं?
Q7. अब तुम 10 बिंदियों का समूह कुछ भिन्न तरीके से बनाओ
Common mistakes
- Confusing tens and ones place values.
- Incorrectly counting objects when forming groups.
- Errors in simple addition of tens and ones.
- Misinterpreting word problems related to grouping.
Revision tips
- Practice making groups of ten with everyday objects.
- Visualize the tens and ones place for each number.
- Review the addition problems involving tens carefully.
- Try to solve the word problems in your own words first.
Practice MCQs
Q1. If there are 5 baskets, each containing 10 chicks, how many chicks are there in total?
Explanation: To find the total number of chicks, multiply the number of baskets by the number of chicks in each basket: 5 baskets * 10 chicks/basket = 50 chicks.
Q2. How many groups of 10 can be made from 39 sticks?
Explanation: With 39 sticks, you can make 3 full groups of 10 sticks each (30 sticks), and there will be 9 sticks remaining.
Q3. What does 4 bundles of firewood mean in terms of total sticks if each bundle has 10 sticks?
Explanation: If there are 4 bundles and each bundle contains 10 sticks, the total number of sticks is 4 multiplied by 10, which equals 40 sticks.
Q4. If you have 21 flowers, how many garlands of 10 flowers each can you make?
Explanation: With 21 flowers, you can make 2 garlands of 10 flowers each (20 flowers), and there will be 1 flower left over.
Q5. There are 6 packets of pencils, with 10 pencils in each packet. How many pencils are there in total?
Explanation: The total number of pencils is the number of packets multiplied by the number of pencils per packet: 6 packets * 10 pencils/packet = 60 pencils.
Frequently asked questions
What is the main concept taught in Class 2 Math Magic Chapter 4?
Chapter 4, 'Counting in Tens' (दस दस में गिनो), focuses on teaching students how to count objects by forming groups of ten and understanding the relationship between these groups and the tens place in numbers.
How do these NCERT Solutions help students?
These solutions provide clear, step-by-step explanations for each problem in the chapter, helping students understand the concept of counting by tens and reinforcing their learning through practice.
What kind of problems are covered in this chapter?
The chapter covers problems related to counting objects like chicks, firewood, pencils, and bindis by grouping them in tens, and performing simple addition based on these groups.
Why is learning to count in tens important for Class 2 students?
Learning to count in tens is a fundamental step in understanding place value and developing number sense, which is crucial for mastering more advanced mathematical concepts later on.
Are the questions in the solutions exactly the same as in the textbook?
Yes, the questions are kept the same as in the textbook, ensuring that students are practicing with the exact problems they are assigned. The wording of the questions has been expanded for clarity.
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