2-3 Terms: Error Analysis & Misconceptions
Mathematics
Grade 7
13 questions
~26 mins
1 views0 downloads
About This Worksheet
A worksheet focused on identifying, correcting misconceptions, and practicing collecting like terms involving 2-3 terms. Designed for error analysis and conceptual understanding.
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2-3 Terms: Error Analysis & Misconceptions
Subject: MathematicsGrade: Grade 7
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Untitled Worksheet
Grade Grade 7
A
Fluency & Practice
Simplify each expression by collecting like terms. Show your working in the grid spaces provided.
1.
Simplify: 3x + 2x
[2 marks]2.
Simplify: 5y - 2y + y
[2 marks]3.
Simplify: 2a + 3b + 4a
[2 marks]4.
Calculate: (x + 2) + (3x - 4)
[3 marks]B
Error Analysis & Misconceptions
Identify the mistake made in each expression and correct it. Write the correct simplified form.
1.
Incorrect: 7x + 3x + 2y = 10x + 2y. Explain the mistake and correct it.
[3 marks]2.
Incorrect: 4a + 2a + 3b = 6a + 3b. Identify and fix the error.
[3 marks]C
Problem Solving & Reasoning
Solve the problems below, explaining your steps.
1.
If 2x + 3x - y + y = 10, find the value of x.
[4 marks]2.
Simplify the expression: 3m + 2n - m + n + 4m.
[3 marks]D
Real-world Applications
Read the scenario and answer the question.
1.
A gardener arranges 3 rows of flowers with 2x + y flowers each. If she adds 4 more flowers, write an expression for the total flowers, then simplify.
[4 marks]E
Challenge & Extension
Attempt these advanced problems involving multiple terms.
1.
Simplify: 2(3x - y) + 4x - 2y.
[3 marks]2.
Construct an algebraic expression with exactly 3 terms involving x and y that simplifies to 5x + 2y.
[4 marks]F
Mixed Review
Answer a variety of questions on collecting like terms.
1.
Simplify: 8a - 3a + 4b - 2b.
[2 marks]2.
Identify the mistake: 5x + 2x + y = 7x + y. Is this correct? Why or why not?
[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)
- • Adjust difficulty
Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet