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Worksheet: Large Numbers Around Us | Worksheets with solutions for Class 7 PDF Download

Section A: Multiple Choice Questions

Q1: Compare and write '<', '>' or '=': 40 thousand _____ 5 lakhs.
a) <
b) >
c) =
d) Cannot be determined

Q2: In the Indian system, how are commas placed for the number 12345678?
a) 1,23,45,678
b) 12,34,56,78
c) 123,456,78
d) 1,234,56,78

Q3: How many zeros does a hundred lakh have?
a) 5
b) 6
c) 7
d) 8

Q4: Will the sum of 5,72,345 and 3,19,876 be greater than 8,90,000 or less than 8,90,000?
a) Greater than 8,90,000
b) Less than 8,90,000
c) Equal to 8,90,000
d) Cannot be determined

Q5: What is the product of 111 × 111?
a) 
12321
b) 12221
c) 12331
d) 12121

Section B: Fill in the Blanks

Q6: Exact value of 3,82,456 + 2,97,543 = ________.

Q7: Write the number 4,50,700 in words: ________.

Q8: The game of Thoughtful Thousands only has a +1000 button. It should be pressed ________ times to show 70,000.

Q9: According to a census, the population of a town was 82,345 in 2011. Approximately, it was (Round to the nearest ten thousand for approximation) ________.

Section C: Word Problems

Q10: If Priya ate 4 varieties of fruits every day, will she be able to taste all 1 lakh varieties in a 100-year lifetime? Find out.

Q11: Find out how many coins should be stacked to match the height of a monument 150 meters tall. Assume each coin is 2 mm thick.

Q12: A waterfall is 400 meters tall. A building is 4 times the height of a person who is 2 meters tall. How much taller is the waterfall than the building? 

Q13: If Sanjay could travel 200 kilometers every day, could he reach a planet 5,00,000 km away in 8 years?

Q14: A calculator has buttons: +1, +10, +100, +1000, +10000, +100000. One way to get 6083 uses 25 button clicks. Is there another way to get 6083 using fewer button clicks? Write the expression for the same.

Section D: Think and Answer

Q15: Write any 8-digit number, show its Indian and International place values, and write it in words in both systems.

For Worksheet Solutions, go to Worksheet Solutions: Large Numbers Around Us

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FAQs on Worksheet: Large Numbers Around Us - Worksheets with solutions for Class 7

1. What are large numbers and why are they important in mathematics?
Ans. Large numbers are values that are significantly greater than everyday quantities, often used in fields such as science, finance, and statistics. They help in understanding data, making calculations, and representing vast quantities like populations, distances in space, and financial figures.
2. How can I practice solving problems related to large numbers?
Ans. You can practice by using worksheets, online quizzes, and textbooks that focus on large number operations. Engaging in exercises that involve addition, subtraction, multiplication, and division of large numbers will enhance your skills.
3. What are some examples of large numbers used in real life?
Ans. Examples include the world population (over 7 billion), the distance from Earth to the nearest star (over 4 light-years), and national budgets or debts that can reach into trillions of dollars. These examples illustrate the scale and relevance of large numbers in various contexts.
4. What strategies can help me remember how to write and read large numbers?
Ans. Breaking large numbers into groups of three digits (thousands, millions, billions, etc.), using commas or spaces for clarity, and practicing reading them aloud can help. Additionally, familiarizing yourself with the names of large numbers can improve your confidence in handling them.
5. How do I convert large numbers into scientific notation?
Ans. To convert a large number into scientific notation, identify the first non-zero digit, place a decimal point after it, and count the number of places the decimal moves to reach the original number. This count becomes the exponent of 10. For example, 6,500 can be written as 6.5 x 10^3.
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