Year 8
Solving geometric problems using linear equations
Year 8
Solving geometric problems using linear equations
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Lesson details
Key learning points
- In this lesson, we will use our knowledge of geometry and angle facts to form and solve linear equations.
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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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5 Questions
Q1.
Solve the equation:
x = -3
x = 3
x = 9
Q2.
Solve the equation:
x = -5.5
x = 11
x = 20
x = 5.5
Q3.
Solve the equation:
x = 14
x = 2
x = 4
x = 9
Q4.
Solve the equation:
x = -12
x = -6
x = -8
x = 12
x = 6
Q5.
Solve the equation:
x = 1
x = 4
x = 7
4 Questions
Q1.
Which equation can be formed from the diagram?
2c + 30 = 60
c + 60 = c + 30
c + c + 30 + 60
Q2.
Work out the value of c.
c = 30
c = 60
c = 90
Q3.
Which equation can be formed from the diagram?
5b + 22 = 2b + 51
7b + 73 = 180
7b = 73
Q4.
What is the size of the largest angle?
133 degrees
215 degrees
360 degrees
41 degrees
82 degrees
Others