Exchanging coins

key points :

🪙 What is Exchanging Coins?

  • Exchanging coins means changing smaller coins into bigger coins or bigger coins into smaller coins.
  • The total value stays the same.

💰 Common Indian Coins

  • ₹1 coin
  • ₹2 coin
  • ₹5 coin
  • ₹10 coin

🔁 Examples of Exchanging Coins

  • 2 coins of ₹1 = 1 coin of ₹2
  • 5 coins of ₹1 = 1 coin of ₹5
  • 2 coins of ₹5 = 1 coin of ₹10
  • 10 coins of ₹1 = 1 coin of ₹10

🔄 Breaking Bigger Coins

  • ₹5 = five ₹1 coins
  • ₹10 = two ₹5 coins
  • ₹10 = ten ₹1 coins

🧠 Important Ideas

  • Count carefully before exchanging.
  • Total amount should not change.
  • Use grouping to make counting easier.

🎯 Practice Ideas

Give students coins and ask:

  • “Make ₹10 using ₹1 coins.”
  • “Change ₹10 into ₹5 coins.”

Use real or paper coins for hands-on learning.

✅ Tip for Students

  • Think: “How many small coins make one big coin?”

Learn with an example

✈️ Type the correct number in the blank.

  • The first coin is a 10-rupee coin. The second coin is a 1-rupee coin.
  • How many 1-rupee coins make 1 10-rupee coin? A 10-rupee coin is worth 10 rupees, which is the same as 1,000 paise. A 1-rupee coin is worth 100 paise. Count by one hundreds:
  • It takes 10 1-rupee coins to make 1 10-rupee coin.

✈️Type the correct number in the blank.

  • The first coin is a 50-paise coin. The second coin is a 2-rupee coin.
  • First, find out what 4 50-paise coins are worth. A 50-paise coin is worth 50 paise. Count by fifties:
  • 4 50-paise coins are worth 200 cents.
  • A 2-rupee coin is also worth 200 paise. 4 50-paise coins are equal to 1 2-rupee coin.

✈️ Type the correct number in the blank.

  • The first coin is a 50-paise coin. The second coin is a 5-rupee coin.
  • First, find out what 10 50-paise coins are worth. A 50-paise coin is worth 50 paise. Count by fifties:
  • 10 50-paise coins are worth 500 cents.
  • A 5-rupee coin is also worth 500 paise. 10 50-paise coins are equal to 1 5-rupee coin.

Let’s practice!🖊️