Using a Protractor

Flashcard
•
Mathematics
•
4th Grade
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an acute angle?
Back
An acute angle is an angle that measures less than 90 degrees.
Tags
CCSS.4.G.A.1
2.
FLASHCARD QUESTION
Front
What is an obtuse angle?
Back
An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.
Tags
CCSS.4.G.A.1
3.
FLASHCARD QUESTION
Front
What is a right angle?
Back
A right angle is an angle that measures exactly 90 degrees.
Tags
CCSS.4.G.A.1
4.
FLASHCARD QUESTION
Front
What is a straight angle?
Back
A straight angle is an angle that measures exactly 180 degrees.
Tags
CCSS.4.G.A.1
5.
FLASHCARD QUESTION
Front
What is the measure of a full rotation?
Back
A full rotation measures 360 degrees.
Tags
CCSS.4.MD.C.5B
CCSS.HSG.CO.A.1
6.
FLASHCARD QUESTION
Front
How do you use a protractor?
Back
To use a protractor, align the baseline of the protractor with one side of the angle, then read the measurement where the other side intersects the protractor.
Tags
CCSS.4.MD.C.6
7.
FLASHCARD QUESTION
Front
What is the purpose of a protractor?
Back
A protractor is used to measure angles in degrees.
Tags
CCSS.4.MD.C.6
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