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easy MCQ 1 mark Class 1 · Mathematics · Numbers from Twenty One to Fifty
  1. 49
  2. 50
  3. 51
  4. 52
Answer
50

The correct answer is 50 — Combine the sums: 40 + 10 = 50.

Step-by-step solution

  1. Identify the two numbers to add: 31 and 19.
  2. Add the tens: 30 + 10 = 40.
  3. Add the ones: 1 + 9 = 10.
  4. Combine the sums: 40 + 10 = 50.
Common mistake: Adding ones to tens instead of separate parts

Concept tested: Addition of two numbers

Published · How this solution was prepared and checked

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