Lesson eLearning

A child has 38 marbles and gives 15 marbles to a friend. How many marbles does the child have left?

medium 2 marks Class 1 · Mathematics · Numbers from Twenty One to Fifty
Answer
23

The correct answer is 23 — Result: 23 marbles left.

Step-by-step solution

  1. Write the initial number of marbles: 38.
  2. Subtract the number given away: 38 - 15.
  3. Perform subtraction: 38 - 10 = 28, 28 - 5 = 23.
  4. Result: 23 marbles left.
Common mistake: Subtracting incorrectly or forgetting to borrow

Concept tested: Subtraction within twenty‑one to fifty

Published · How this solution was prepared and checked

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