Lesson eLearning

What is the sum of 10 and 11?

easy MCQ 1 mark Class 1 · Mathematics · Numbers from Ten to Twenty
  1. 20
  2. 21
  3. 22
  4. 23
Answer
21

The correct answer is 21 — Combine the tens and units to get .

Step-by-step solution

  1. Add the units digits: .
  2. Add the tens digits: .
  3. Combine the tens and units to get .
Common mistake: Adding tens and units separately but forgetting to combine correctly

Concept tested: Addition of two numbers

Published · How this solution was prepared and checked

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