3+ Significant Figures: Travel & Maps in the Real World
Mathematics
Year 9
11 questions
~22 mins
1 views0 downloads
About This Worksheet
A worksheet exploring the application of rounding numbers to 3 or more significant figures in real-world travel and map contexts, including procedural practice and problem-solving.
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Full preview • 11 questions
3+ Significant Figures: Travel & Maps in the Real World
Subject: MathematicsGrade: Year 9
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Date:
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Untitled Worksheet
Grade Year 9
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Round the number 12345.6789 to 3 significant figures.
[2 marks]2.
Calculate the distance in kilometers between two cities if the GPS coordinates give a straight-line distance of 6542.987 meters. Round your answer to 3 significant figures.
[3 marks]3.
A map shows the length of a river as 4567.89 meters. Round this length to 4 significant figures.
[2 marks]4.
The estimated travel time for a flight is 7.89234 hours. Round this to 3 significant figures.
[2 marks]5.
A map's scale indicates that 1 cm represents 12345 meters. What is the map distance in centimeters for an actual distance of 987654 meters? Round to 3 significant figures.
[4 marks]6.
A GPS device shows a location's altitude as 13456.789 meters. Round this to 4 significant figures.
[2 marks]7.
A flight's recorded distance is 12345.67 km. Round to 3 significant figures for reporting purposes.
[2 marks]8.
Construct a triangle on the grid with sides approximately 12345 meters, 67890 meters, and 23456 meters. Round each side length to 4 significant figures before drawing.
[4 marks]9.
A map shows a distance of 98765 meters between two landmarks. Calculate the approximate distance in miles if 1 mile = 1609.34 meters, rounding to 3 significant figures.
[4 marks]10.
A car's odometer reading is 123456.789 km. Round this to 4 significant figures.
[2 marks]11.
Identify and correct the mistake in rounding the number 0.00456789 to 3 significant figures. What should be the correct rounded value?
[3 marks]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet