Word Problems: Error Analysis & Misconceptions
Mathematics
Grade 6
15 questions
~30 mins
1 views0 downloads
About This Worksheet
A worksheet focusing on understanding and solving word problems involving subtraction of 3-digit numbers, with an emphasis on identifying errors and misconceptions.
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Word Problems: Error Analysis & Misconceptions
Subject: MathematicsGrade: Grade 6
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Untitled Worksheet
Grade Grade 6
A
Fluency & Practice
Solve the following subtraction problems. Show your working in the grid spaces provided.
1.
Calculate 375 - 128.
[2 marks]2.
Calculate 602 - 389.
[2 marks]3.
Calculate 487 - 256.
[2 marks]4.
Calculate 913 - 467.
[2 marks]B
Problem Solving & Reasoning
Solve the multi-step word problems below. Explain your reasoning clearly.
1.
Sara had 845 candies. She gave away 312 candies to her friends. How many candies does she have left? Explain your steps.
[4 marks]2.
A library has 1,204 books. If 789 books are borrowed, how many are still available? Show your working.
[4 marks]C
Real-world Applications
Apply subtraction to solve these contextual problems.
1.
A train travels 823 kilometers in the morning and 479 kilometers in the afternoon. How much distance did it cover in total? Show your calculation.
[3 marks]2.
A shop had 1,000 oranges. They sold 456 oranges during the day. How many oranges are left? Write your answer.
[2 marks]D
Challenge & Extension
Tackle these more difficult problems involving subtraction.
1.
A warehouse stored 1,235 boxes. Over the week, 789 boxes were shipped out. How many boxes remain? Explain your calculation.
[4 marks]2.
Calculate the difference between 999 and 876. Why might students make errors with this problem?
[3 marks]E
Mixed Review
Answer these questions to review your understanding of subtraction word problems.
1.
A farmer harvested 1,024 apples. He sold 678 apples at the market. How many apples are left? Show your work.
[2 marks]2.
A school has 1,500 pencils. During the year, 789 pencils are lost or broken. How many pencils remain usable? Write the answer.
[2 marks]3.
Explain why subtracting 876 from 999 might lead to mistakes if students forget to borrow.
[3 marks]F
Error Analysis & Misconceptions
Below are common mistakes made in subtraction word problems. Identify the error and correct it.
1.
A student subtracted 375 - 128 and got 157. Identify the mistake and provide the correct answer.
[4 marks]2.
A problem states 602 - 389 = 213, but a student calculates 602 - 389 = 223. What is the mistake, and what is the correct result?
[4 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)
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- • Add more questions (10 → 15)
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet