Mastering Substitution
Mathematics
Year 9
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About This Worksheet
A worksheet covering Substitution for Year 9 students.
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Mastering Substitution
Subject: MathematicsGrade: Year 9
Name:
Date:
Untitled Worksheet
Grade Year 9
A
Introduction
Review how to substitute values into algebraic expressions: replace variables with given numbers and simplify.
B
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
Evaluate the expression 3x + 2 when x = 4.
[2 marks]2.
Calculate the value of 5a - 3 when a = 7.
[2 marks]3.
Find the value of 2m + n when m = 3 and n = 5.
[2 marks]4.
Evaluate 4p - 2q when p = 6 and q = 2.
[2 marks]5.
Simplify the expression 2(x + 3) when x = 5.
[2 marks]6.
Calculate 7y - 4 when y = 2.
[2 marks]7.
If x = 3, evaluate the expression 2x² + 4.
[2 marks]8.
Find the value of 6a - 2b when a = 4 and b = 1.
[2 marks]9.
A rectangle's length is given by 2l + 3 and width by w - 1. If l=5 and w=7, what is the perimeter?
[3 marks]10.
A car travels a distance d = 60t + 30, where t is time in hours. Find the distance traveled when t=2 hours.
[3 marks]Quick Actions
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Details
- Created
- 12/30/2025
- Updated
- 12/30/2025
- Type
- worksheet