Money (Grade 3)
Money is an essential part of daily life. In Class 3, students learn to work with rupees (₹) and paise (p) together, add and subtract amounts, and solve problems involving bills and change.
This topic builds on the basic money concepts from Class 2. Students now handle larger amounts and learn to convert between rupees and paise.
What is Money - Class 3 Maths (Money)?
Money in India is measured in rupees and paise.
1 Rupee (₹1) = 100 Paise
We write money amounts as ₹ Rupees.Paise. For example, ₹5.50 means 5 rupees and 50 paise.
Indian coins: 50 paise, ₹1, ₹2, ₹5, ₹10
Indian notes: ₹10, ₹20, ₹50, ₹100, ₹200, ₹500
Types and Properties
Converting between rupees and paise:
- Rupees to paise: Multiply by 100. Example: ₹3 = 300 paise
- Paise to rupees: Divide by 100. Example: 450 paise = ₹4.50
- Write amounts one below the other, aligning the decimal point.
- Add paise first, then rupees.
- If paise add up to 100 or more, carry over to rupees.
- Write amounts one below the other.
- Subtract paise first, then rupees.
- If paise are not enough, borrow 1 rupee (= 100 paise).
Solved Examples
Example 1: Converting Rupees to Paise
Question: Convert ₹7.25 to paise.
Think:
- ₹7 = 7 × 100 = 700 paise
- 25 paise remains
- Total = 700 + 25 = 725 paise
Answer: ₹7.25 = 725 paise.
Example 2: Converting Paise to Rupees
Question: Convert 350 paise to rupees and paise.
Think:
- 350 ÷ 100 = 3 rupees and 50 paise
Answer: 350 paise = ₹3.50.
Example 3: Adding Money Amounts
Question: Ria buys a pencil for ₹5.50 and an eraser for ₹3.75. How much does she spend in total?
Think:
- Paise: 50 + 75 = 125 paise = ₹1 and 25 paise
- Rupees: 5 + 3 + 1 (carry) = 9
- Total = ₹9.25
Answer: Ria spends ₹9.25 in total.
Example 4: Subtracting Money Amounts
Question: Aman has ₹20.00. He buys a notebook for ₹12.50. How much money is left?
Think:
- ₹20.00 − ₹12.50
- Paise: 00 − 50 → borrow 1 rupee → 100 − 50 = 50 paise
- Rupees: 19 − 12 = 7
- Remaining = ₹7.50
Answer: Aman has ₹7.50 left.
Example 5: Making a Bill
Question: Priya buys a tiffin box for ₹85, a water bottle for ₹45, and a lunch bag for ₹120. Make the total bill.
Think:
| Item | Price |
|---|---|
| Tiffin box | ₹85 |
| Water bottle | ₹45 |
| Lunch bag | ₹120 |
| Total | ₹250 |
Answer: The total bill is ₹250.
Example 6: Finding Change
Question: Dev buys a cricket ball for ₹35. He gives the shopkeeper a ₹50 note. How much change does he get?
Think:
- Change = ₹50 − ₹35 = ₹15
Answer: Dev gets ₹15 as change.
Example 7: Combining Notes and Coins
Question: Meera has two ₹100 notes, one ₹50 note, and three ₹5 coins. How much money does she have?
Think:
- Notes: 100 + 100 + 50 = ₹250
- Coins: 5 + 5 + 5 = ₹15
- Total = ₹250 + ₹15 = ₹265
Answer: Meera has ₹265.
Example 8: Adding with Paise
Question: Kavi buys a pen for ₹12.75 and ink for ₹8.50. Find the total cost.
Think:
- Paise: 75 + 50 = 125 paise = ₹1 and 25 paise
- Rupees: 12 + 8 + 1 = 21
- Total = ₹21.25
Answer: Total cost is ₹21.25.
Example 9: Comparing Money Amounts
Question: Neha has ₹150.75 and Arjun has ₹148.50. Who has more money and by how much?
Think:
- Compare: ₹150.75 > ₹148.50
- Difference: ₹150.75 − ₹148.50
- Paise: 75 − 50 = 25 paise
- Rupees: 150 − 148 = 2
- Difference = ₹2.25
Answer: Neha has more money by ₹2.25.
Key Points to Remember
- ₹1 = 100 paise. Always remember this conversion.
- Write money with the ₹ symbol and a decimal point separating rupees and paise.
- When adding, if paise total 100 or more, carry 1 to the rupees column.
- When subtracting, if paise are not enough, borrow 1 rupee (100 paise).
- Line up the decimal points when adding or subtracting money.
- Indian notes: ₹10, ₹20, ₹50, ₹100, ₹200, ₹500.
- Indian coins: 50 paise, ₹1, ₹2, ₹5, ₹10.
Practice Problems
- Convert ₹12.60 to paise.
- Convert 875 paise to rupees and paise.
- Aditi buys a book for ₹45.50 and a pen for ₹8.75. Find the total cost.
- Rahul has ₹100. He buys fruits for ₹67.25. How much change does he get?
- Priya has three ₹50 notes and four ₹2 coins. How much money does she have?
- Dev buys 3 pencils at ₹6.50 each. What is the total cost?
- Meera has ₹200. She buys a bag for ₹125.50 and a water bottle for ₹35.75. How much money is left?
Frequently Asked Questions
Q1. How many paise make 1 rupee?
100 paise make 1 rupee. So ₹1 = 100 paise, ₹2 = 200 paise, and so on.
Q2. How do you write rupees and paise together?
Use the ₹ symbol followed by the rupee amount, a decimal point, and then the paise. For example, 5 rupees and 75 paise is written as ₹5.75.
Q3. How do you add money amounts with paise?
Align the decimal points, add paise first, then rupees. If paise total 100 or more, carry over to rupees. For example, ₹3.60 + ₹4.50 = ₹8.10.
Q4. How do you find change after buying something?
Subtract the cost of the item from the amount paid. For example, if you pay ₹50 for an item costing ₹32, the change is ₹50 minus ₹32 = ₹18.
Q5. What Indian coins are used today?
Common Indian coins are ₹1, ₹2, ₹5, and ₹10. The 50 paise coin exists but is rarely used now.
Q6. What Indian currency notes are commonly used?
Common Indian notes are ₹10, ₹20, ₹50, ₹100, ₹200, and ₹500.
Q7. How do you convert paise to rupees?
Divide the paise by 100. For example, 650 paise = 650 divided by 100 = ₹6.50.
Q8. Why is learning about money important in Class 3?
Money skills help with shopping, saving, and understanding bills. Students learn to count change, compare prices, and make simple calculations used in everyday life.
Q9. Is money covered in the NCERT Class 3 textbook?
Yes. The NCERT Class 3 Maths textbook covers money concepts including notes, coins, addition and subtraction of money, and making bills.
