← Section 2 Chapter 20: Dividing Decimals Chapter 21 →

➗ Dividing Decimals

Master the art of decimal division!

🎯 What You'll Learn

  • How to divide decimals by decimals
  • How to move decimal points to simplify division
  • Why decimal division is useful in real life
  • Common mistakes to avoid

✏️ Explanation

To divide decimals, move the decimal point in the divisor to make it a whole number, and do the same to the dividend. Then divide as usual.

🔍 Why It Matters

Decimal division is essential for prices, rates, conversions, and measurements in daily life.

✏️ Worked Example

Divide 4.2 by 0.6
Step 1: Move decimal in 0.6 one place right → 6
Step 2: Move decimal in 4.2 one place right → 42
Step 3: Divide 42 ÷ 6 = 7

� Practice Exercises

1. 3.6 ÷ 0.6 = ?
2. 7.5 ÷ 0.25 = ?
3. 0.9 ÷ 0.3 = ?
4. 1.2 ÷ 4 = ?
5. 5 ÷ 0.5 = ?

⚠️ Common Mistakes

  • Forgetting to move the decimal in both numbers
  • Not lining up decimal points correctly
  • Dividing before converting to whole numbers
  • Misplacing the decimal in the answer

✨ Quick Summary

Move the decimal in both numbers, then divide as whole numbers. Place the decimal in the answer correctly.