Chapter-focused TeachGyan notes: Original, student-friendly explanation based on the chapter topic, followed by questions that require understanding and application.
Detailed Notes
Integers include positive numbers, zero and negative numbers. On a number line, values increase from left to right, so −3 is greater than −7. Integers can represent temperatures, elevations, gains and losses.
Key Concepts
- Identify the central idea before memorising details.
- Connect the chapter with a real place, event, institution or everyday example.
- For Social Science, use maps, timelines, tables or cause-and-effect diagrams where appropriate.
Important Questions
- Which is greater, −3 or −7?
- What integer represents 5 units below zero?
- Add −4 and 7.?
Application / HOTS
A temperature is −2°C in the morning and rises by 6°C. Find the new temperature.
Worksheet
- Define three key terms from this chapter.
- Write two facts and explain why each is important.
- Answer the application question in 4–6 sentences.
- Create one timeline, map activity, comparison table or concept map suitable for this chapter.
Quick Revision
Revise the key concepts, then answer the questions without looking at the notes. Use your current NCERT textbook to check names, maps, dates and examples.