Lessons and Tools for Teachers

#### Lessons for Angles

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• Classifying and Constructing Corners - … a right angle and -measure- angle e (1 unit angle), angle k (2 unit angles), and estimate angle h (3/4 of a unit angle). J. Tell … ' work: angle e (right; 4 unit angles) , angle h (acute; 3 unit angles), angle k (straight; 8 unit angles), angle n (acute; 3 unit angles), and angle q (obtuse; 6 1/3 unit angles
• Polygons - … type of angle is shown in the third triangle? (Exterior angle) T: What do we know about exterior angles? (Interior angle + exterior angle = 180 Â° at … : (writes on BB): interior angle + exterior angle total of interior + exterior angles total of interior angles total of exterior angles Ps: (say the results): = 180 … angle = 45 Â°, Exterior angle = 36 Â°, interior angle = 135 Â° interior angle = 144 Â° 30 sides (i) 12 (ii) 72 (iii) 20 (iv) 60 Interior angle = 123 Â° , Exterior angle
• Do You Measure Up? - … to Measure an Angle handout (View) + Measuring Angles Exit Quiz (View) Vocabulary acute angle - An angle measuring between 0 and 90 degrees. angle - Two rays … straight line extending from a point. right angle - An angle measuring 90 degrees. straight angle - An angle measuring 180 degrees. vertex - The point at … Measure an Angle, Measuring Angles, and the Measuring Angles Exit Quiz. Copies of the Measuring Angles Exit Quiz Rubric and the Measuring Angles Scoring Guide …
• Geometry 3 - … and ?7 ?4 and ?8 are corresponding angles are corresponding angles are corresponding angles are corresponding angles Corresponding angles form an "F." This "F" may … . Since angle M and angle R are opposite angles, m?M = 125?. In a parallelogram, consecutive angles are supplementary. Angle G and angle R are consecutive angles. Since 180? - 125? = 55?, m?G = 55?. Since angle A and angle G are opposite angles