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Question
Ask people and find out the cost of a cup of tea-
- At a tea stall-
- At a hotel-
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Solution
- At a tea stall, a cup of tea costs Rs 3.
- At a hotel, a cup of tea costs Rs 5.
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If a person who runs a tea stall earns Rs 30 a day, how much will he earn in 10 days? And in a month? How did you get the answer? Discuss.
Hariya and Babu want to buy a handcart for Rs 300.
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Who has to pay back more - Hariya or Babu?
Do it mentally and write the answers.
| 2 × 6 = ______ | 4 × 80 = ______ |
| 20 × 6 = ______ | 4 × 81 = ______ |
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Kiran has bought some junk from junk collectors.
Look at the rate list to see today's rates. Help Kiran to find out the cost of the junk.
| Rate-List | |
| Kind of Junk | Price of 1 kg |
| 1. Waste Paper... | Rs. 4/- |
| 2. Newspaper... | Rs. 5/- |
| 3. Iron... | Rs. 12/- |
| 4. Brass... | Rs. 170/- |
| 5. Plastic... | Rs. 10/- |
How much will Kiran pay for 42 kg newspaper?
Kiran has bought some junk from junk collectors.
Look at the rate list to see today's rates. Help Kiran to find out the cost of the junk.
| Rate-List | |
| Kind of Junk | Price of 1 kg |
| 1. Waste Paper... | Rs. 4/- |
| 2. Newspaper... | Rs. 5/- |
| 3. Iron... | Rs. 12/- |
| 4. Brass... | Rs. 170/- |
| 5. Plastic... | Rs. 10/- |
Find the cost of 22 kg of plastic.
First guess the answer and then calculate:
69 × 52 = ?
First guess the answer and then calculate:
77 × 55 = ?
First guess the answer and then calculate:
142 × 5 = ?
First guess the answer and then calculate:
382 × 3 = ?
Kiran paid Rs. 919 to the junk collectors. When she sold the junk she got these notes and coins from Dinu.

Now you make a record in her diary.
Find out how much she earned this time.



