Column Method: Real-world Applications in Medicine & Health
Mathematics
Year 9
15 questions
~30 mins
1 views0 downloads
About This Worksheet
A worksheet focused on applying the Column Method for subtracting 2-digit numbers within medical and health-related contexts, including practice, reasoning, and extension problems.
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Column Method: Real-world Applications in Medicine & Health
Subject: MathematicsGrade: Year 9
Name:
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Untitled Worksheet
Grade Year 9
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Subtract 47 from 85 using the column method. Show all steps.
[2 marks]2.
Calculate 63 - 29 using the column subtraction method.
[2 marks]3.
Perform 56 - 24 step-by-step using the column method.
[2 marks]4.
Subtract 49 from 76. Show your working.
[2 marks]5.
Calculate 94 - 67 using the column method. Show all steps.
[2 marks]B
Problem Solving & Reasoning
Solve the problems below showing all your working and explaining your reasoning.
1.
A health clinic has 92 flu vaccines in stock. After vaccinating 46 patients, how many vaccines are left? Show your subtraction process.
[3 marks]2.
A nurse recorded 78 doses of medication administered in one day. If 29 doses were for antibiotics, how many doses were for other medicines? Use column subtraction to find out.
[3 marks]3.
A hospital pharmacy had 65 bottles of antiseptic. After 18 bottles are used, how many are left? Explain your working.
[3 marks]C
Real-world Applications
Read the context carefully and perform the subtraction to solve the problem.
1.
A health store initially stocked 88 bottles of vitamin supplements. After selling 53 bottles during a sale, how many bottles remain? Show your working.
[3 marks]2.
A medical supply company shipped 76 units of equipment to a clinic. After some units are received, only 41 units remain. How many units were shipped? Use column subtraction.
[3 marks]D
Challenge & Extension
Attempt the more challenging problems below for extra practice.
1.
A hospital had 93 doses of vaccine. After administering some doses, 57 remain. How many doses were used? Show detailed working.
[3 marks]2.
A health center received 85 masks. After distributing 49 masks, how many masks are left? Use the column method and explain common mistakes students might make.
[3 marks]E
Mixed Review
Solve the variety of problems below to review your understanding.
1.
Subtract 58 from 92 using the column method.
[2 marks]2.
A clinic had 74 gloves in stock. After 26 are used, how many are left? Show your working.
[2 marks]F
Error Analysis
Review the common mistake below and identify the error. Then, correct it and explain why.
1.
A student subtracts 68 from 85 by borrowing incorrectly, leading to an answer of 27. Identify the mistake in their working and provide the correct subtraction.
[3 marks]Quick Actions
What is Remix?
Create a new worksheet based on this one. Change the grade level, topic, number of questions, or difficulty - then generate a fresh version.
- • Change grade level (Grade 6 → Grade 7)
- • Swap topics (Harry Potter → Macbeth)
- • Add more questions (10 → 15)
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet