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Rohit has 12 candies. His brother gives him 9 more candies. How many candies does Rohit have now?

medium MCQ 2 marks Class 1 · Mathematics · Addition
  1. 20
  2. 21
  3. 22
  4. 23
Answer
21

The correct answer is 21 — The sum is 21.

Step-by-step solution

  1. Identify the two numbers to add: 12 and 9.
  2. Add the ones place: 2 + 9 = 11.
  3. Write 1 in the ones place and carry over 1 to the tens place.
  4. Add the tens place: 1 (from 12) + 0 (no tens in 9) + 1 (carry) = 2.
  5. The sum is 21.
Common mistake: forgetting to carry over the extra 1

Concept tested: Addition with carry

Published · How this solution was prepared and checked

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