#### Term 2 Number System Three Marks

7th Standard

Reg.No. :
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Maths

Time : 01:00:00 Hrs
Total Marks : 42
14 x 3 = 42
1. Represent the following decimal numbers pictorially.
(i) 0.3
(ii) 3.6
(iii) 2.7
(iv) 11.4

2. Write the following in the place value grid and find the place value of the underlined digits.
(i) 0.37
(ii) 2.73
(iii) 28.271

3. The height of a person is 165 cm. Express this height in metre.

4. Praveen goes trekking with his friends. He has to record the distance in kilometres in his sports book. Can you help him?
The trekking record for four days are given below
4 m

5. Express the numbers given in expanded form in the place value grid. Also write its decimal representation.
3+$\frac { 5 }{ 10 } +\frac { 3 }{ 100 } +\frac { 4 }{ 1000 }$

6. Praveen goes trekking with his friends. He has to record the distance in kilometres in his sports book. Can you help him?
The trekking record for four days are given below
28 m

7. Praveen goes trekking with his friends. He has to record the distance in kilometres in his sports book. Can you help him?
The trekking record for four days are given below
537 m

8. Praveen goes trekking with his friends. He has to record the distance in kilometres in his sports book. Can you help him?
The trekking record for four days are given below
3983 m

9. Express the numbers given in expanded form in the place value grid. Also write its decimal representation.
40+6+$\frac { 7 }{ 10 } +\frac { 2 }{ 100 } +\frac { 6 }{ 1000 }$

10. Velan bought 8.36 kg of potato and Sekar bought 6.29 kg of potato. Which is heavier?

11. Two automatic ice cream machines A and B designed to fill cups with 100 ml of ice cream were tested. Two cups of ice creams, one from machine A and one from machine B are weighed and found to be 99.56 ml from machine A and 99.65 ml from machine B. Can you say which machine gives more quantity of ice creams?

12. A standard art paper is about 0.05 mm thick and matte coated paper is 0.09 mm thick. Can you say which paper is more thick?

13. Now let us arrange the long jump records of students in a school for 3 years in ascending order
(i) 1 year -4.90 m
(ii) 2 year-4.91 m
(iii) 3 year-4.95 m

14. Megala and Mala bought two watermelons weighing 13.523 kg and 13.52 kg. Which is a heavier one?