Class 8 Mathematics Chapter 3: A Story of Numbers — practice questions with answers
Free practice for Class 8 Mathematics, Chapter 3: A Story of Numbers. Try the solved questions below, then take a free test with instant marking and explanations.
52 questions11 easy, 29 medium, 12 hardNCERT · CBSE · State boards
Sample questions with solutions
Q1. Why did Stone Age people need to count?
- To keep track of food, livestock, trade and passing days
- To play video games
- To write books
- To use calculators
Show answer
Answer: A. To keep track of food, livestock, trade and passing days
Why: Counting helped track food, animals, offerings and seasons. [p.49]
Why: Counting helped track food, animals, offerings and seasons. [p.49]
Q2. A herder keeps one stick per cow. One evening a stick has no cow matched to it. What does this tell him?
- A cow is missing
- A new cow was born
- The sticks are wrong
- Nothing
Show answer
Answer: A. A cow is missing
Why: A one-to-one mapping lets us compare quantities without number names. [p.51–52]
Why: A one-to-one mapping lets us compare quantities without number names. [p.51–52]
Q3. What is the main limitation of using the letters of the English alphabet as number names?
- It cannot count beyond 26 objects
- Letters are hard to say
- It needs paper
- It only works for odd numbers
Show answer
Answer: A. It cannot count beyond 26 objects
Why: The sequence runs out after Z. [p.53]
Why: The sequence runs out after Z. [p.53]
Q4. The written symbols in a number system, like 0, 5 or 193, are called ______.
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Answer: numerals
Why: Numerals are symbols in a written number system. [p.54]
Why: Numerals are symbols in a written number system. [p.54]
Q5. Notches cut on bones to record counts are called ______.
- tally marks
- numerals
- landmark numbers
- abacus beads
Show answer
Answer: A. tally marks
Why: Bones over 20,000 years old show such marks. [p.55]
Why: Bones over 20,000 years old show such marks. [p.55]
Q6. What number is MMCCCLXII?
Show answer
Answer: 2362 (± 0)
Why: 1000 + 1000 + 100 + 100 + 100 + 50 + 10 + 1 + 1 = 2362. [p.59]
Why: 1000 + 1000 + 100 + 100 + 100 + 50 + 10 + 1 + 1 = 2362. [p.59]
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Frequently asked questions
How many practice questions are there for Class 8 Mathematics Chapter 3: A Story of Numbers?
52 questions (11 easy, 29 medium, 12 hard). A few are solved on this page; the free test shows the answer and explanation for every question after you submit.
Is this chapter from the NCERT book?
Yes — it follows the NCERT Class 8 Mathematics syllabus, used by CBSE and many state boards.