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
• Angles - Mathematics Enhancement Programme Y7 Activity 1A UNIT 5 Angles Angles and turns Lesson Plan 1 Angles and Turns Notes T gives each P … chosen. Praising. 3E T explains classification of angles. (Right angle neither acute nor obtuse; angle around a point on a straight line neither … acute angles, (d) exactly one right angle, (e) two neighbouring right angles (the others are different), (f) exactly three right angles, (g) four right angles
• Angles, Bearings and Map - … vertically opposite angles. ( c = 50 Â° , corresponding angles/vertically opposite; d = 50 Â° , corresponding angles e = 130 Â° , corresponding angles/supplementary angles f = 50 Â° , corresponding/supplementary/opposite angles g … a = 81 Â°, supplementary angles; b = 99 Â°, supplementary angles (and vertically opposite angles); c = 81 Â°, supplementary angles d = 99 Â°, supplementary angles (and corresponding angles) PB 11.2 …
• 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