Page 46 - Start Up Mathematics_7

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4. Gajender, a tailor has 37 m of material available to make baby suits. Each baby suit requires
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5 m of material.
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(a) How many baby suits can be made? (b) How much material will be left?
5. A farmer cultivated sugarcane in one fourth of his square field as shown. He
wants to grow three different vegetables in equal areas in the remaining part
of the field such that 2 parts are rectangular and one is square. Can you help
him?

Values and Life Skills

1. An NGO wanted to plant 6,000 plants as a part of their social service. All the members of
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the NGO participated and planted 12 plants on a Sunday and the remaining on next Sunday.
How many plants were planted on each Sunday by the NGO?
Is planting trees and plants important for environment? Have you planted plants on the terrace
or at the backyard of your house?

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2. Rohan devotes 7 hours to his studies everyday. He devotes 2 hours to Mathematics, 1 hours
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to English and the remaining time to study other subjects. How much time does he spend on
other subjects?
What is the importance of time management for students?
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3. Mr Rawat earns ` 24,500 per month. He spends of his income and deposits the remaining
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money in his bank. How much money does he save in a year?
What is the importance of earning in life?

4. A sugar bag contains 30 kg of sugar. If the consumption of sugar in Mr Sharma’s house is
2 kg per day, for how many days will the sugar bag last?
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Is high consumption of sugar good for health? What are the consequences of consuming high
sugar?

Some NCERT Textbook Questions

1. In a “magic square”, the sum of the numbers in each row, in each column and along the
diagonals is the same. Is this a magic square?

4 9 2
11 11 11

3 5 7 (Along the first row 4 + 9 + 2 = 15 ).
11 11 11 11 11 11 11

8 1 6
11 11 11

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