4th Class Mathematics Money Money

Money

Category : 4th Class

 Money

 

Introduction

We require a number of things in our day to day life. We buy these things from the market and in return we pay money as per the rate of the article. So money is of great importance to us.

 

Different countries use different currencies. Indian currency is known as rupees.

Short form of the rupees is Rs, written by the symbol Rs. We write 78 rupees as Rs. 78.

 

Conversion of Rupees into Paise

One rupee is equal to 100 paise, so to convert rupees into paise, we multiply the Rs. by 100.

  •           Example

Convert Rs. 14 into paise.

Solution:

\[Rs.\,14=14\times 100p\]

\[=1400p\]

 

  •            Example

Convert \[Rs.\,\mathbf{5}.\mathbf{45}\] into paise.

Solution:

\[Rs.\,5.45=5.45\times 100p\]

\[=545p\]

 

Conversion of Paise into Rupees

To convert the paise into rupees we divide the paise by 100.

  •            Example

Convert 675 paise into rupees.

Solution:

\[675paise=Rs.\,\frac{675}{100}=Rs.\,6.75\]

 

  •            Example

Convert 544566 paise into rupees.

Solution:

544566 paise= Rs. 5445.66

 

Addition of Rupees to Paise and Vice Versa

In addition of rupees to paise or paise to rupees, either paise is converted into rupees or rupees is converted to paise then addition is performed.

 

  •            Example

Add Rs. 139 and 5460 paise

Solution:

 

 

Problems Based on Money

Problems based on money may be on addition, subtraction, multiplication and division.

 

  •           Example

Add Rs. 2353.25, Rs. 85,670 and Rs. 352,70

Solution:

\[Rs.\,2353.25+Rs.\,85.670+Rs.\,352.70=Rs.\,2791.62\]

  •            Example

Subtract Rs. 56,4445 from Rs. 545.40

Solution:

\[Rs.\,545.4000-Rs.\,56.4445=Rs.\,488.9555\]

 

Word Problems Based on Money

Word problems on money are basically the questions based on the application of money.

 

  •            Example

Christina has Rs. 4987.75 with her. She buys a book for Rs. 564. How much more money should she spend to be left with Rs. 123.50 only?

Solution:

Total money Christina has = Rs. 4987.75

Remaining money after buying book \[=Rs.\text{ }4987.75-Rs.\,564\]

\[=Rs.\,4423.75\]

Therefore, she should spend

\[Rs.\,4423.75-Rs.\,123.50\]

\[=Rs.\,4300.25\]

 

  •            Example

Martin has 5 notes of hundred rupees. He spends Rs. 447.52. Find the remaining amount left with him.

Solution:

Total money with Martin \[=Rs.\,500\]

He spends \[=Rs.\,447.52\]

Remaining money

\[=Rs.\,500-Rs.\,447.52=Rs.\,52.48\]

 

Notes - Money
  15 10


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