180°: Fluency & Practice
Mathematics
Grade 6
11 questions
~22 mins
1 views0 downloads
About This Worksheet
A worksheet focusing on understanding and calculating angles that form a straight line totaling 180°. Designed for Grade 6 students to develop procedural fluency and problem-solving skills.
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Full preview • 11 questions
180°: Fluency & Practice
Subject: MathematicsGrade: Grade 6
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Untitled Worksheet
Grade Grade 6
A
Practice Questions
Answer all questions. Show your working in the grid spaces provided.
1.
If one angle on a straight line measures 65°, what is the measure of the other angle?
[2 marks]2.
Calculate the value of the unknown angle if two angles on a straight line are 80° and x°. The sum of these two angles is 180°.
[3 marks]3.
In a straight line, one angle is 120°. What is the measure of the angle directly opposite to it?
[2 marks]4.
Construct a straight line with an angle of 45° and label the supplementary angle.
[3 marks]5.
Two angles on a straight line are 90° and x°. Find x.
[2 marks]6.
In a diagram, if an angle adjacent to a 130° angle on a straight line is x°, what is the value of x?
[2 marks]7.
A straight line forms two angles: 70° and y°. Calculate y.
[3 marks]8.
If an angle of 65° and another angle are supplementary, what is the measure of the second angle?
[2 marks]9.
A straight line has angles measuring 50° and x°. Find x.
[3 marks]10.
In a real-world scenario, a fence is built along a straight line with one angle being 85°. What is the angle on the opposite side of the straight line?
[4 marks]11.
Identify the common mistake: A student claims that in a straight line, both angles measuring 120° each are supplementary. Correct this mistake and explain why.
[4 marks]Quick Actions
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Details
- Created
- 1/1/2026
- Updated
- 1/1/2026
- Type
- worksheet