Addition of Unknowns
Subtraction of Unknowns
Name that Angle
Line, Ray, Point
Mystery
100
___ + 17 = 65
48
100
24 - ___ = 18
6
100
What is the name of an angle that measures less than 90 degrees?
Acute
100
Ray
100
Draw an Angle
200
28 + ____ = 102
74
200
96 - ____ = 47
49
200
What is the name of an angle that measures more than 90 degrees?
Obtuse
200
Point
200
Draw an Acute Angle
300
203 + ___ = 450
247
300
___ - 67 = 246
313
300
What is the name of an angle that measures 90 degrees?
Right
300
Line
300
Draw a Right Angle
400
___ + 372 = 1248
876
400
___- 234 = 1487
1721
400
What is the angle called? 
Acute
400
What do we call letter A?
Point
400
Draw an Obtuse Angle
500
___ + 127 = 2147
1020
500
____ - 567 = 2679
3246
500
What is this angle called? 
Obtuse
500
Draw these 3 things: a line, ray, and a point.
500
What do I use to measure an angle?
Protractor