Class 7 Maths Chapter 1 Worksheet

1. One crore = __________ lakhs.
Answer: 100

2. The smallest 7-digit number is __________.
Answer: 10,00,000

3. The predecessor of 1,00,000 is __________.
Answer: 99,999

4. The successor of 9,99,999 is __________.
Answer: 10,00,000

5. One million = __________ lakhs.
Answer: 10

6. 1 crore = 100 lakhs.
Answer: True

7. 99,999 is a 6-digit number.
Answer: False

8. 10,00,000 is greater than 9,99,999.
Answer: True

9. Commas are placed in the same way in Indian and International systems.
Answer: False

10. Large numbers are used to represent population and distances.
Answer: True

11. Write 45,67,890 in words (Indian System).
Answer: Forty-five lakh sixty-seven thousand eight hundred ninety.

12. Write 7,508,300 in words (International System).
Answer: Seven million five hundred eight thousand three hundred.

13. Write the expanded form of 8,04,07,306.
Answer: 8,00,00,000 + 4,00,000 + 7,000 + 300 + 6

14. Arrange in ascending order:
9,87,654; 9,78,654; 8,99,999
Answer: 8,99,999 < 9,78,654 < 9,87,654

15. Round off 6,48,739 to the nearest thousand.
Answer: 6,49,000

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