Lesson eLearning

In a classroom, there are 15 pencils. 6 pencils are taken out for a project, and then 4 pencils are added back. How many pencils are left?

medium 2 marks Class 2 · Mathematics · Give and Take
Answer
13

The correct answer is 13 — So there are 13 pencils left.

Step-by-step solution

  1. Start with 15 pencils.
  2. Subtract 6 pencils that are taken out: 15 - 6 = 9.
  3. Add back 4 pencils: 9 + 4 = 13.
  4. So there are 13 pencils left.
Common mistake: Forgetting to add the returned pencils

Concept tested: Addition after subtraction

Published · How this solution was prepared and checked

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