Multiply.

$₹ 450.65\times 3$

1. Indian Currency:

(i) The Indian currency is Rupee.

(ii) Indian currency is available in coins and notes.

(iii) ‘Coin’ is a piece of money made of metal and ‘Notes’ is an amount of paper money in a particular currency.

(iv) The symbol of rupee is $₹$.

(v) The denominations in Indian currency notes such as of $₹5, ₹10, ₹20, ₹50, ₹100, ₹200, ₹500 \text{and} ₹2000$.

(vi) The shape of $5$-rupees coin is circular. $5$-rupees coin is thicker than other coins.

(vii) The shape of $10$-rupees coin is circular. $10$-rupees coin is bigger than other coins.

(viii) $₹1=100$ paise.

(ix) In short, we write ‘Re’ for a rupee, ‘Rs’ for rupees, and ‘p’ for paise.

(x)  We write it as $2$ rupee $60$ paise.

(xi) For a quick addition of money, we add rupees to rupees and paise to paise. Example: $₹10+₹5+10 \text{paise}+20\text{ paise}=₹15 \text{and }30 \text{paise}$

2. Conversion of Money:

(i) $₹1=100$ paise

(ii) To convert the amount from rupees to paise, we multiply the value by $100$. For example, $₹3=3\times 100 \text{paise}=300 \text{paise}$

(iii) To convert the amount from rupees and paise, multiply the only rupee by $100$ and add the paise to the product. For example, $9$ rupees $50\text{ paise}=9\times 100 \text{paise}+50 \text{paise}=900\text{ pais}e+50 \text{paise}=950 \text{paise}$

(iv) If we remove the dot between the rupee and paise the number which remains represents paise. For example, $₹9.50=950 \mathrm{paise}$ 

(v) The amount $23 \text{rupees} 50 \text{paise}$ can be written using symbol as $₹20.50$

3. Addition of Money:

(i) Add like decimal numbers.

(ii) Don't forget to regroup as $100$ paise $=1$ rupee.

4. Subtraction of Money:

(i) Subtract like decimal numbers.

(ii) Don't forget to decompose as $1$ rupee $=100$ paise.

5. Word problems on Money:

(i) Addtion is performed when we have the terms like total, sum, how many, all together etc. are used.

(ii) Subtraction is performed when we have the terms like subtract, minus, take away, less / fewer than, difference, decrease, how many are left/remain, change – in money questions.

6. Bill: 

(i) Bills are given by the shopkeepers to the customers as an acknowledgment of purchase.

(ii) Bills give us complete details about the purchase.

(iii) The format of bill received on purchase of items is shown below.