Rupees and Paise — CBSE Class 3 Maths Chapter 14

Understanding Indian Currency: Rupees and Paise

Indian money comes in two forms: paper notes and metal coins. The short symbol we use for Rupee is ₹ and for Paise is p. The most important rule in money math is that 1 Rupee = 100 Paise.

When we write rupees and paise together, we separate them with a tiny dot (decimal point). The number to the left of the dot shows the rupees, and the number to the right shows the paise. For example, if you have ₹5.50, it means you have 5 Rupees and 50 Paise. Knowing this structure helps us quickly perform addition and subtraction without mixing up the coins and the paper notes!

How to Convert Money

1. Converting Rupees to Paise — Since 1 Rupee is equal to 100 Paise, you can convert any rupee amount into paise by multiplying it by 100 (or simply placing two zeros at the end of the number). For example: ₹6 = 6 × 100 = 600 paise.
2. Combining Rupees and Paise — If you have a mixed amount like ₹4 and 50 paise, first change the rupees to paise (400 paise) and then add the extra paise. So, 400 paise + 50 paise = 450 paise.
3. Converting Paise back to Rupees — To write paise as rupees, separate the last two digits from the right. The last two digits represent paise, and the digits before them represent rupees. For example, 725 paise is equal to ₹7 and 25 paise, written as ₹7.25.

Exam Tips: Avoid These Common Mistakes

1. Dot Alignment: When adding money vertically, always make sure the dots are lined up directly under each other. If you add ₹5.50 and ₹2.00, align them properly to get ₹7.50. Never write them misaligned!

1. The Zero Rule for Single Digits: If you have 5 paise, write it as ₹0.05. If you write ₹0.5, that actually means 50 paise, which is a very common mistake in exams!

Practice Questions with Solutions

• Q: Convert ₹9 and 45 paise completely into paise. A: Step 1: We know that 1 Rupee = 100 Paise. Step 2: Multiply 9 by 100 to convert rupees to paise: 9 × 100 = 900 paise. Step 3: Add the remaining 45 paise: 900 paise + 45 paise = 945 paise. Final answer: 945 paise
• Q: Priya bought an ice cream for ₹25.50 and a candy bar for ₹10.00. How much money did she spend in total? A: Step 1: Write down the prices of both items with dots aligned. Price of ice cream = ₹25.50 Price of candy bar = ₹10.00 Step 2: Add the paise column first: 50 + 00 = 50 paise. Step 3: Add the rupees column: 25 + 10 = 35 rupees. Step 4: Combine them together: ₹35.50. Final answer: Priya spent ₹35.50 in total.
• Q: Convert 605 paise into rupees and paise using a dot. A: Step 1: Identify that 100 paise make 1 rupee. Step 2: Take the last two digits (05) as the paise part. Step 3: Take the remaining digit (6) as the rupees part. Step 4: Place a dot between them: ₹6.05. Final answer: ₹6.05 (6 rupees and 5 paise)
• Q: Rahul had a ₹100 note. He spent ₹60.50 on a coloring book. How much change did he get back? A: Step 1: Write ₹100 as ₹100.00 to balance decimal digits. Step 2: Subtract the book's cost (₹60.50) from ₹100.00. 100.00 - 60.50 --------- 39.50 Final answer: Rahul gets ₹39.50 back as change.

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