Mastering Standard Form
Mathematics
Year 9
11 questions
~22 mins
0 views0 downloads
About This Worksheet
A worksheet covering the fundamentals and applications of Standard Form for Year 9 students.
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Mastering Standard Form
Subject: MathematicsGrade: Year 9
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Date:
Untitled Worksheet
Grade Year 9
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Express 0.000456 as a standard form number.
[1 mark]2.
Write 3,600,000 in standard form.
[1 mark]3.
Calculate: (2.5 × 10^3) + (4.2 × 10^2).
[2 marks]4.
Multiply: (1.2 × 10^4) × (3 × 10^2).
[2 marks]5.
Express 9.81 × 10^2 in standard form.
[1 mark]6.
Convert 7.89 × 10^-3 to a decimal.
[1 mark]7.
If a spaceship travels at 3.5 × 10^8 meters per second, how many meters does it travel in 2 × 10^3 seconds?
[3 marks]8.
A scientist measures a sample's mass as 4.2 × 10^-6 kilograms. Express this in grams.
[3 marks]9.
Calculate the difference: (5.75 × 10^4) − (2.3 × 10^3).
[2 marks]10.
The population of a city is approximately 8.5 × 10^6. If a new census reports a 2% increase, what is the new population in standard form?
[3 marks]11.
Challenge: A radioactive substance has a half-life of 3 × 10^4 years. How many years will it take for only 1/8 of the original amount to remain?
[4 marks]Quick Actions
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Details
- Created
- 12/30/2025
- Updated
- 12/30/2025
- Type
- worksheet