The Cleanest Village
CBSE · Class 4 · Mathematics
Complete topic list for The Cleanest Village in CBSE Class 4 Mathematics. Key concepts, sub-topics, and what to focus on for board exams.
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Topics in The Cleanest Village
1. Addition in Daily Life
- Addition is used to find the total of two or more amounts.
- Daisy and Lou bought a large piece of pusaw for ₹38 and a small piece for ₹16.
- The total spending on pusaw is found by adding the two amounts.
2. Subtraction and Finding Balance
- Subtraction is used to find what is left, what is missing, or the difference between two amounts.
- If ₹150 is paid for a cost of ₹113, the balance is ₹37.
- If Lou and Daisy brought ₹310 and spent the rest, the money spent is ₹131.
3. Word Problems with Two-Step Thinking
- Some questions need careful reading before choosing the operation.
- Ram Chacha had 264 mangoes last year and 527 this year, so subtraction is used to find how many more mangoes he got this year.
- Ranganna made 639 dolls and sold 531, so subtraction is used to find how many are left.
4. Number Pairs and Simple Number Thinking
- A number pair has two numbers next to each other, vertically or horizontally.
- 111 and 185 are number pairs.
- 48 and 185 are also number pairs.
Key Concepts
Central concept: Addition and subtraction word problems, estimation, regrouping, balance, and number patterns in daily life
Frequently Asked Questions
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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