Year 7
Year 7

Describing and comparing angles

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Lesson details

Key learning points

  1. In this lesson, we will learn how to compare angles by classifying and estimating them.


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5 Questions

The mathematical object to measure an angle is...
A compass
A protracter
Correct answer: A protractor
A ruler
A standard protractor (the one that was used in the video) measures from 0 degrees to...
100 degrees
Correct answer: 180 degrees
270 degrees
90 degrees
If I accidentally measured an angle from 180 degrees instead of 0 degrees, and I noticed that it measured to 150 degrees, what would the angle truly measure?
0 degrees
150 degrees
180 degrees
Correct answer: 30 degrees
The middle point of the mathematical object, where we line up the point at which the two lines meet, and where we measure an angle, is called...
The cross
Correct answer: The crosshair
The hairline
The point
I measure an angle accidentally from 85 degrees instead of 0 degrees and it measures 112 degrees. I have done this as accurately as possible. Does this mean that my angle is 27 degrees?
Correct answer: Yes