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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Full preview • 13 questions

2-3 Terms: Error Analysis & Misconceptions

Subject: MathematicsGrade: Grade 7
Name:
Date:
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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]

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Details

Created
1/1/2026
Updated
1/1/2026
Type
worksheet