Acute
Obtuse
Right
Bonus
100
On your dry erase board, draw an acute angle.
<
100
On your dry erase board, draw an obtuse angle.
_/
100
Draw a right angle on your dry erase board.
L
100
A straight angle measures how many degrees?
180 degrees
200
An acute angle can be classified between what group of degrees?
1-89 degrees
200
What is the range of degrees that an obtuse angle could measure?
An obtuse angle can measure 91-179 degrees.
200
What degree does a right angle measure?
90 degrees, exactly
200
How can I score a 4 on the rubric today?
I can measure and construct angles, I can tell the similarities and differences between angles, I know the vocabulary for the lesson.
300
Look around the classroom and tell me something that has an acute angle in it.
The clock, the stars on the flag, the flag on the back of the board, the small angle on the legs of my desk.
300
How is an obtuse angle different from a straight angle?
An obtuse angle measures less than 180 degrees. A straight angle measures exactly 180 degrees.
300
Is a right angle considered an obtuse angle?
No, an obtuse angle measures greater than a right angle which measures 90 degrees.
300
What is the vertex of an angle?
The middle point that connects 2 rays.
400
What is the difference between an acute and obtuse angle?
Acute angles measure less than 90 degrees. Obtuse angles measure greater than 90 degrees.
400
What is the difference between a right angle and an obtuse angle?
A right angle measures 90 degrees, an obtuse angle measures greater than 90 degrees.
400
How are right angles labeled?
Right angles are labeled with a perfect square in the corner of the shape with a right angle.
400
How would I score a 3 on the rubric today?
I can measure and construct angles with a protractor.
M
e
n
u