Column: Error Analysis & Misconceptions
Mathematics
Year 9
10 questions
~20 mins
1 views0 downloads
About This Worksheet
This worksheet focuses on multiplying decimals by integers using the column method. It aims to address common misconceptions through error analysis and reasoning exercises.
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Full preview • 10 questions
Column: Error Analysis & Misconceptions
Subject: MathematicsGrade: Year 9
Name:
Date:
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Untitled Worksheet
Grade Year 9
A
Fluency & Practice
Solve the following questions using the column method for decimal multiplication. Show your steps in the grid spaces provided.
1.
Calculate 3.4 × 5 using the column method. Show your working.
[2 marks]2.
Multiply 0.75 by 4 using the column approach. Show your steps.
[2 marks]3.
Find the product of 2.6 and 7. Show your column multiplication.
[2 marks]B
Problem Solving & Reasoning
Answer the following multi-step problems, explaining your reasoning and showing your working.
1.
A pack of 3.2 kg of sugar costs £4.80. What is the cost per kilogram? Show your calculation.
[3 marks]2.
A factory produces 2.8 meters of fabric each day. How many meters of fabric are produced in 15 days? Show your working.
[3 marks]C
Real-world Applications
Read the scenario and answer the question based on your calculations.
1.
A gardener plants 1.5 meters of new hedge each day. How many meters of hedge will they plant in 20 days?
[2 marks]D
Challenge & Extension
Attempt these more difficult problems and think critically about the process.
1.
Multiply 4.25 by 6. Identify and correct any errors in the following column work:
4.25
× 6
-----
2550
[3 marks]2.
Construct a column multiplication to find 3.75 × 8. Show all steps clearly.
[3 marks]E
Mixed Review
Solve a variety of questions to consolidate your understanding.
1.
Compute 5.6 × 3 using the column method.
[2 marks]2.
If you multiply 2.45 by 4, what is the result? Show your working.
[2 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)
- • Adjust difficulty
Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet