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Learning Objectives, , At the end of this lesson, students will be able to:, * add, subtract, multiply and divide rupees and paise, , ea Warm Up Vee, , 4, , © Recall, The money used in our country is rupees and paise., L rupee (2) =100 paise, , We generally write money in rupees as 2 decimal with two decimal places., Zi=7 100, % 20 and 75 p=% 20.75, 2 100 and 5 paise=% 100.05, Converting rupees and paise, Since? 1 = 100 p, therefore, to convert rupees into paise, multiply by 100., % 25.00 =F 25 =25 x 100 p=2500p, % 10,25=% 19 and 25 p=10~ 100 p+ 25 p= 1000 p+ 25 p=1025 p, Look 2t the conversion carefully. You will notice that conversion is very simple., , To convert rupees to paise, simply remove the decimal point!, To convert p2ise to rupees is also very simple., , To convert paise to rupees simply put 2 decimal point two places from the right! ®, , », 700 p=? 7.00 1150 p= 11.50, “None = z, % ip=< 0.30 5 p 0.05, , é

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tions on Money, gar —, d subtraction of money is done j, , ic als,, , ion :, yoo? gemember that money is always veri, , , , Q, , that, goo!, , an, . pid % 58.25 andZ 193.50, el:, , , , Answer:% 167.75, , eample 2 Find the difference between 199 and 19.90, , , , Answer:% 20.19, , , , , yultiplication of money is simi, gut be careful with the decimal ;, places from the right, , example 2: The cost of i calculator is 20.75. A school bought 18 calculators, , the maths lab. What is the total cost of the calculators?, , 80., , for, , x, tet ost, oo ow, , Bs, e, , , , wt OF, , ro, , as} oo Oo, urjyoa, , w, , url, Oa, , Answer: % 1452.59, inordinasy numbers. But you, , the right piece in the quotient, , Division of money is 2!so done, , have to be carefulin putting, , , , An easy method is:, « Remove the decimal point ang divide 2s orcinery numbers., point avo places from the right., , « Inthe quotient, putt decimal

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2. Subtract, 9) 8357.25-2175,50 by) Tao - F 246.25, , 3. Multiply, , a) 899.50x25 b) ¥85.25 x 22, , 4. Divide, , a) %565.60=8 b) %419.30+ 14, , , , 5. The cost of 6 CDs is 537. Find the cost of:, a) 1CD, b) 12CDs, (Hint: Write % 537 as & 537.00), , 6. Mental maths, , a) %19.75+%0.25= b) %10-%950=_, , c) %250x2= d) %10.00+2=, , e) ¥100-%49,90= __, , , , f) %1250+%12.50=