Vocab
Missing Angle
Lines
Angles
Symmetry
100
A shape with four sides is called __________.
A quadrilateral
100
Find the missing angle on task card A
45 degrees
100
Draw a line segment with points A and B
A___________________B
100
We say _____ angle is 90 degrees.
Right
100
What is symmetry?
The same on either side of the line. Equal, balanced.
200
A triangle with 2 equal sides and angles and one line of symmetry is called __________.
An isosceles triangle.
200
Find the missing angle on Card B
90 degrees
200
Draw a Ray with points A and B
A____________________________B___>
200
We say _____ angle is less than 90 degrees.
Acute
200
Do equilateral triangles have any lines of symmetry? Draw a picture to explain your answer.
3 lines of symmetry (the equal side lengths/ angles)
300
A triangle with no equal sides (nothing matches) is called ______.
A scalene triangle.
300
Find the missing angle on Card C
86 degrees
300
Draw pair of perpendicular lines and explain why they are perpendicular. Give a real world example.
Two lines that intersect to form 90 degree angle. Windows.
300
We say __________ angle is more than 90 degrees.
Obtuse
300
Do scalene triangles have any lines of symmetry? Draw a picture to explain your answer.
Nope! No equal side lengths or angles.
400
A shape with 3 points, three equal side lengths, and three equal angles is called _________.
An equilateral triangle.
400
Find the missing angle on Card D
240 degrees
400
Draw a pair of parallel lines and explain what makes them parallel. Give a real world example.
Two lines that never intersect. Lines on the road, rail road tracks, telephone lines
400
And a ___________ angle is 180! The names of the angles are....
straight
400
Draw a right isosceles triangle and the line of symmetry.
Cut the triangle in half through the right angle.
500
What do you called two angles that are next to each other?
Adjacent angles
500
Find the missing angles on card E
x= 66 y=114 z=66
500
True or False: All perpendicular lines are intersecting. Explain.
True. Intersecting lines are lines the cross. All perpendicular lines are intersecting, but not all intersecting lines are perpendicular.
500
Perform the YMCA to the angles lyrics.
The names of the angles are Right, Acute, Obtuse!
500
Find an example of a symmetrical and asymmetrical item in the classroom. You have 1 minute GO GO GO!
Answers will vary.
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