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E:\Working\Orange_Education\Math_Genius_1\Open_Files\Chap_12
\ 04-Oct-2025 Bharat Arora Proof-9 Reader’s Sign _______________________ Date __________

Practice time 12B

1. A notebook costs `45. A pen costs `14 less than `

the notebook. What is the cost of the pen? `
So, the cost of the pen is `__________. `

2. Sanchi had `15. Her sister had `4 more than her. `
How much money was there with Sanchi’s sister? `

So, `__________ was with Sanchi’s sister. `

3. Rashi got a `20 note from her mother and a `5 coin `
from her brother. How much money does she have `

now? So, Rashi has `__________ now. `

4. Neha bought an umbrella costing `88 and a cold `

drink bottle costing `45. Which of the two is cheaper `
and by how much? `

So, __________ is cheaper by `__________.

Mental Maths Experiential Learning Critical Thinking
1. Compare the following using <, > or =.

(a) + + +

(b) + +

(c) + +

2. Fill in the blanks.

(a) One 5-rupee note and two 2-rupee coins make ` ______.

(b) Four 50-paise coins make ` ______.

(c) Three 10-rupee coins and one 50-rupee note make ` ______.

(d) fifty 1-rupee coins and ten 2-rupee coins make ` ______.

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