Lesson eLearning

What is ?

easy 1 mark Class 1 · Mathematics · Numbers from Ten to Twenty
Answer
27

The correct answer is 27 — Combine the tens and units to get .

Step-by-step solution

  1. Identify the two numbers 12 and 15.
  2. Add the units digits: .
  3. Add the tens digits: .
  4. Combine the tens and units to get .
Common mistake: Confusing tens and units or not carrying correctly

Concept tested: Addition of two‑digit numbers

Published · How this solution was prepared and checked

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