Using the additivity of angle measure, students find the measure of the missing part of a straight angle
A. Explore the symbol for angle measure
B. Explore the additivity of angle measure (Level 1)
C. Explore the additivity of angle measure (Level 2)
D. Solve problems with right angles
E. Solve problems with rectangles
G. Use equations to solve angle measure problems
H. Use equations to solve 2-step angle measure problems