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E:\Working\Focus_Learning\Math_Genius_3_(11-09-2024)\Open_Files\CHAP_11
\ 11-Sep-2024 Surender Prajapati Proof-4 Reader’s Sign _______________________ Date __________

The cost of the mobile phone = ` 7 6 5 0 . 5 0
Money in her purse = – ` 6 4 7 5 . 0 0

Money needed = ` 1 1 7 5 . 5 0

Thus, Sanya needs `1175.50 more money to buy the mobile.

Get it right!

` 7 6 5 0 . 5 0 ` 7 6 5 0 . 5 0
– ` 6 4 . 7 5 – ` 6 4 7 5 . 0 0

` 7 5 8 5 . 7 5 ` 1 1 7 5 . 5 0

Think and Answer

Three friends, Dhruv, Ravi and Virat went to watch a movie. The table given
below shows the amount of money each one had and the amount of money each spent. Find
who has left with a greater amount of money.

Friend Amount of money each had Amount of money each spent Amount Left
Dhruv `500 `175.50

Ravi `750 `145.75

Virat `560.50 `95.05

practice time 11b

1. add the following amounts.

(a) ` 8 3 . 4 0 (b) ` 6 9 . 7 0 (c) ` 7 4 . 7 5 (d) ` 2 3 2 . 1 5
+ ` 4 8 . 3 0 + ` 5 1 . 2 5 + ` 7 1 . 6 0 + ` 1 9 6 . 4 5

2. Subtract the following amounts.

(a) ` 4 2 0 . 3 0 (b) ` 7 3 4 . 2 5 (c) ` 4 9 6 . 7 5 (d) ` 2 4 2 . 8 0

– ` 1 6 2 . 2 5 – ` 2 1 4 . 0 0 – ` 3 0 4 . 4 5 – ` 1 3 2 . 5 0

teacher’s Tell the students, do addition if you find the words: add, in all, together or sum and do subtraction if you find
tip the words: difference, less than, how many more or left over.

Mathematics-3 201