Saturday, 24 January 2026

 

Class 8 Maths – Chapter 15: Introduction to Graphs

Step 9: NCERT Textbook Questions – Solved

1️⃣ Why NCERT Questions are Important?

NCERT questions are very important for exams. Many school exam questions are asked directly or indirectly from NCERT.

2️⃣ How to Approach NCERT Graph Questions?

  1. Read the question carefully
  2. Observe the given graph
  3. Check scale on both axes
  4. Read values correctly
  5. Write answers neatly with units

3️⃣ Sample NCERT-Type Question

Question: Read the graph and find the distance travelled in 5 hours.

Solution:

  • From the graph, at time = 5 hours
  • Distance = 250 km

Answer: The distance travelled in 5 hours is 250 km.

4️⃣ Another NCERT-Type Question

Question: At what time is the value maximum?

Solution:

  • Maximum value is seen at the highest point on the graph
  • This occurs at time = 6 hours

Answer: The value is maximum at 6 hours.

5️⃣ Answer Writing Format (Must Follow)

  • Start with “From the graph…”
  • Mention x-value and y-value
  • Write units clearly

📌 Exam Tips

  • Do not round off values unless asked
  • Use ruler and pencil for graphs
  • Neat presentation gives extra marks

Memory Tip:
👉 “NCERT = Direct Exam Marks”

📘 Class 8 Mathematics – Complete Library

CBSE | NCERT | State Syllabus


Chapter 1: Rational Numbers

Chapter 2: Linear Equations in One Variable

Chapter 3: Understanding Quadrilaterals

Chapter 4: Practical Geometry

Chapter 5: Data Handling

Chapter 6: Squares and Square Roots

Chapter 7: Cubes and Cube Roots

Chapter 8: Comparing Quantities

Chapter 9: Algebraic Expressions and Identities

Chapter 10: Visualising Solid Shapes

Chapter 11: Mensuration

Chapter 12: Exponents and Powers

Chapter 14: Factorisation

Chapter 15: Introduction to Graphs

Chapter 16: Playing with Numbers

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