# Fun at the Fair

## Overview

In this chapter, children learn about Indian currency and basic mathematical operations involving money through a story set in a fair. They practice addition and subtraction using rupee notes and coins, and participate in money-based games and activities. The context of the fair helps make calculations engaging and realistic for young learners.

## Key Topics Covered

### 1. Spending Money at the Fair

- Rupal receives ₹50 from her mother to spend at the fair.
- She calculates how much she spent by:
- Adding up the money used for rides (₹20), snacks (₹20), and candies (₹2).
- Subtracting the remaining amount (₹8) from the total (₹50).
- Concept of reverse addition to find total expenses:
- ₹8 + ₹20 = ₹28
- ₹28 + ₹20 = ₹48
- ₹48 + ₹2 = ₹50
- Hence, she spent ₹42.

### 2. Practice in Subtraction

- Example: If you are left with ₹3 out of ₹40 given, how much did you spend?
- Answer: ₹40 − ₹3 = ₹37

### 3. Counting Currency and Total Cost

- Children calculate the cost of tickets and items at the fair.
- Identify and use currency notes: ₹10, ₹20, ₹30, ₹100, ₹200, ₹500.
- Understand different denominations and match money to items.

### 4. Indian Currency Notes

- Identify:
- How many times "500" is written in numbers and words on a ₹500 note.
- Monument printed on the ₹500 note.
- Observe special features like:
- Raised lines for the visually impaired.
- Color, size, and symbols on notes.

### 5. Coins and Their Values

- Explore old Indian coins: 10 paise, 20 paise, 25 paise, 50 paise.
- Practice:
- How many 25 paise coins make ₹1?
- How many 20 paise coins make ₹1?
- Conversion: ₹1 = 100 paise

### 6. Pop the Balloon Game

- Game context to calculate prize money:
- 3 chances for ₹10.
- Different balloon colors have different prize values.
- Add values of balloons popped to find total money won.
- Strategize to choose the best 3 balloons for highest prize.

### 7. Making Amounts in Different Ways

- Combine different notes to make a given amount.
- Example: Make ₹66 using ₹1, ₹2, ₹5, ₹10, ₹20, ₹50 notes.
- Understand combinations of money and make real-life spending decisions.

### 8. Buying Items with Limited Money

- Match items to the money children have.
- Decide if more money is needed or if they have extra.
- Practical budgeting activity.

### 9. Word Problems (Add/Subtract)

- Jayant spent ₹25 on pens and ₹40 on notebooks. Total = ₹65.
- Kanika has ₹14 more than Meera who has ₹43. Total = ₹57.
- Vivek needs to buy items costing ₹30 and ₹60. Total = ₹90.
- Ajay has ₹58, spends ₹48. Money left = ₹10.

## New Terms and Definitions

| Term | Definition |
|------------|------------|
| Rupee (₹) | Basic unit of Indian currency |
| Paise | A smaller unit of money; 100 paise = 1 rupee |
| Note | Paper money, e.g., ₹10 note |
| Coin | Metal money, e.g., ₹1 coin |
| Spend | To use money to buy something |
| Save | To keep money and not spend it |
| Total | The full amount after addition |
| Subtract | To take away one amount from another |
| Currency | System of money used in a country |
| Denomination | Value printed on a note or coin |

## Practice Questions

### Easy (3)

1. Rani has ₹20. She buys a toy for ₹15. How much money is left?
**Answer**: ₹5
**Explanation**: ₹20 - ₹15 = ₹5

2. Ramesh has ₹50. He buys a chocolate for ₹10. How much does he have now?
**Answer**: ₹40
**Explanation**: ₹50 - ₹10 = ₹40

3. A balloon costs ₹12 and a candy costs ₹8. What is the total cost?
**Answer**: ₹20
**Explanation**: ₹12 + ₹8 = ₹20

### Medium (2)

4. Seema bought 3 ride tickets for ₹10 each. What is the total cost?
**Answer**: ₹30
**Explanation**: 3 × ₹10 = ₹30

5. Gita had ₹100. She spent ₹35 on food and ₹25 on games. How much is left?
**Answer**: ₹40
**Explanation**: ₹100 - (₹35 + ₹25) = ₹40

### Difficult (3)

6. You have ₹60. You want to buy a toy worth ₹45 and snacks for ₹20. Do you have enough money?
**Answer**: No
**Explanation**: ₹45 + ₹20 = ₹65, which is more than ₹60

7. A pen costs ₹22 and a notebook costs ₹38. What is the total amount spent?
**Answer**: ₹60
**Explanation**: ₹22 + ₹38 = ₹60

8. If you have ₹50 and spend ₹18 on a ride, ₹12 on snacks, and ₹10 on a balloon, how much is left?
**Answer**: ₹10
**Explanation**: ₹18 + ₹12 + ₹10 = ₹40; ₹50 - ₹40 = ₹10

### Very Difficult (2)

9. Rohit had ₹100. He bought items worth ₹18, ₹27, and ₹35. How much money is left?
**Answer**: ₹20
**Explanation**: ₹18 + ₹27 + ₹35 = ₹80; ₹100 - ₹80 = ₹20

10. A child wants to buy three items: one costs ₹22, the second ₹33, and the third ₹19. What is the total cost?
**Answer**: ₹74
**Explanation**: ₹22 + ₹33 + ₹19 = ₹74