Very Large Numbers: Problem Solving & Reasoning
Mathematics
Grade 8
11 questions
~22 mins
1 views0 downloads
About This Worksheet
A worksheet designed to develop understanding and skills in handling very large numbers, focusing on rounding to the nearest 1000 through problem-solving and reasoning activities.
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Very Large Numbers: Problem Solving & Reasoning
Subject: MathematicsGrade: Grade 8
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Untitled Worksheet
Grade Grade 8
A
Introduction
Very large numbers are numbers with many digits, such as millions, billions, or trillions. Rounding these numbers to the nearest 1000 involves looking at the hundreds digit and deciding whether to round up or down based on its value.
B
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Round 3,456,789,123 to the nearest 1000.
[2 marks]2.
A company reports total assets of 7,892,345,678. Round this number to the nearest 1000.
[2 marks]3.
Estimate the population of a country with a reported population of 1,234,567,890 people, rounded to the nearest 1000.
[2 marks]4.
Calculate the rounded value of 9,876,543,210 to the nearest 1000.
[2 marks]5.
A space agency reports a spacecraft's distance as 456,789,123 km. Round to the nearest 1000.
[2 marks]6.
A bank reports total savings of 56,789,012,345 dollars. Round this to the nearest 1000.
[2 marks]7.
Problem Solving: The total revenue of a multinational corporation is reported as 2,345,678,901 dollars. If the company rounds this to the nearest 1000 for reporting, what is the rounded figure? Explain your reasoning.
[4 marks]8.
Construct a large number between 1,000,000,000 and 1,000,000,100, and round it to the nearest 1000. Show your number and the rounding process.
[4 marks]9.
Estimate the number of stars in a galaxy as 1,234,567,890, with rounding to the nearest 1000. Why is it useful to round such numbers?
[3 marks]10.
Identify and correct the mistake: The number 5,678,901,234 is rounded to 5,678,900,000. Is this correct? Why or why not?
[3 marks]11.
Challenge: The national debt is reported as 17,654,321,987,654 dollars. Round it to the nearest 1000 and explain the significance of such rounding in financial reports.
[4 marks]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet