Proper Fractions: Real-world Applications in Science Experiments
Mathematics
Year 9
12 questions
~24 mins
1 views0 downloads
About This Worksheet
A worksheet exploring proper fractions through science experiment scenarios, focusing on adding fractions with the same denominator. Designed to develop procedural skills and real-world problem solving.
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Full preview • 12 questions
Proper Fractions: Real-world Applications in Science Experiments
Subject: MathematicsGrade: Year 9
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Untitled Worksheet
Grade Year 9
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Add the fractions: 3/8 + 2/8. Express your answer as a proper fraction.
[2 marks]2.
A scientist measures the proportion of a chemical in two samples: 5/12 and 3/12. What is the total proportion when combined?
[2 marks]3.
Calculate: 7/10 + 2/10.
[2 marks]4.
In an experiment, 4/9 of a solution is a certain compound. If 2/9 is added, what is the new total proportion?
[2 marks]5.
A lab mixture contains 3/7 and 2/7 of two chemicals. What is the combined fraction of these chemicals?
[2 marks]6.
A scientist records the following proportions of substances: 4/11, 5/11. Find their sum.
[2 marks]7.
Add: 6/15 + 4/15. Simplify your answer if possible.
[3 marks]8.
Two solutions have proportions 2/8 and 3/8. When combined, what is the total proportion? Express your answer as a simplified proper fraction.
[3 marks]9.
A researcher adds 1/5 and 2/5 of two chemicals in a solution. What is the total fraction of chemicals added?
[3 marks]10.
Combine 3/14, 4/14, and 2/14. What is their total? Is the result a proper fraction? Explain.
[4 marks]11.
A scientist mixes two solutions: one with 2/9 and another with 3/9. They are combined, but the scientist forgets to add the fractions. Identify the mistake and correct it.
[4 marks]12.
Challenge: In an experiment, two proportions 5/12 and 7/12 are combined. What is the total? If the result is more than 1, interpret its meaning.
[4 marks]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet