Adding two-digit numbers with place value transition

Mathematics Grade 2 Difficulty 2/5

Beginning of the lesson

🧮 Adding Two-Digit Numbers with Regrouping

Hello, young mathematician! 👋 Today we'll learn to add big numbers!!!

📚 1. What does "with regrouping" mean?

When we add ones and get 10 or more, we need to:

✅ Write only the ones in the answer
✅ Carry 1 ten to the tens place

Example: 7 + 5 = 12
📝 Write 2 in the ones place
📝 Carry 1 to the tens place

🔢 2. Place Value of a Number

Every two-digit number consists of tens and ones:

47 = 40 + 7 = 4 tens and 7 ones 🎯

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Test questions: 16
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