1st Class Mathematics Money Adding Cost of Things

 Adding Cost of Things  

This is grouping of the costs of two or more things converting them into single money value.

If cost of one apple =rupees

and cost of one banana =rupees

then total cost of both the fruits = cost of one apple + cost of one banana =rupees +rupees.

Or

If cost of one pen =paise

cost of two pencils =paise

Cost of one rubber =paise

then cost of one pen + cost of two pencils + cost of one rubber. =paise +paise +paise =paise.

Or

  4 rupees is the cost of a toy and 3.rupees is the cost of a pen. What is the cost of one toy and one pen?

(a) 7 rupees                       

(b) 8 rupees                      

(c) 6 rupees                       

(d) 9 rupees

Answer: (a)  

Explanation

Cost of one toy + cost of one pen =rupees +rupees =rupees.

Or

 The cost of one copy is 5 rupees and the cost of 2 books is 6 rupees. What is the total cost of one copy and 2 books?

(a) 15 rupees                                    

(b) 9 rupees

(c) 11 rupees                                     

(d) 2 rupees  

Answer: (c)  

Explanation

Option (c) is correct because cost of one copy + cost of 2 books   = 5 rupees + 6 rupees = 11 rupees.

Or

• Money is paid while buying things and it is received on selling things.
• Rupees and paise are the units of money.
• Coins are metal form of money.
• Notes are paper form of money.
• Coins and notes are also known as currencies.  

• In India 1 paisa coin was used. 1000 note has been introduced few years back.