16.1 Polygons p. 354 Introduction: Quick Review Objective: to name and classify polygons Vocabulary: polygon = closed plane figure w/ straight sides that.

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16.1 Polygons p. 354 Introduction: Quick Review Objective: to name and classify polygons Vocabulary: polygon = closed plane figure w/ straight sides that are connected line segments vertex = each point where two sides meet n-gon = polygon w/ “n” sides decagon = 10-sided polygon Guided Learning: Review divisibility rules (slide 2) Review EXAMPLES A. and B. -- How did you decide 610 was not divisible by 3?

16.2 Triangles p. 356 Introduction: Quick Review Objective: learn how to classify triangles and solve problems involving angle measures of triangles Vocabulary: acute triangle = contains only acute angles obtuse triangle = contains only one obtuse angle right triangle = contains only one right angle equilateral triangle = three congruent sides isosceles triangle = exactly two congruent sides scalene triangle = no congruent sides Guided Learning: Review divisibility rules (slide 2) Review EXAMPLES A. and B. -- How did you decide 610 was not divisible by 3? apes/play.shtml ive-triangle.htm

16.3 Find a Pattern p. 360 Introduction: Quick Review Objective: learn how to use the strategy “find a pattern” to solve problems Vocabulary: regular polygon = polygon which all sides and angles are congruent

16.4 Quadrilaterals p. 362 Introduction: Quick Review Objective: learn how to identify, classify, and compare quadrilaterals

16.5 Draw Plane Figures p. 366 Introduction: 1. Quick Review Objective: learn how to draw plane geometric figures Square Dot Geoboard Isometric Dot Paper Square Dot Paper Isometric Dot Geoboard

16.6 Circles p. 368 Introduction: 1. Quick Review: Complete on your white board 2. Objective: Learn how to identify and draw parts of circles 3. Warm-Up: *Draw a dot on your white board, label it “O”. Next, draw a circle around the center dot you just drew. *Draw a radius and label it “radius” - someone explain how you did it! *Draw a diameter and label it “diameter” - someone explain how you did it! *Draw a chord and label it “chord” - someone explain how you did it!

16.6 Circles continued... Vocabulary: radius - line segment with one endpoint at the center of a circle and the other endpoint on the circle diameter - line segment passing through the center of a circle and has both endpoints on the circle chord - line segment with its endpoints on a circle Harcourt Math Glossary

Properties of Polygons Name SometimesAlwaysNever polygon isosceles triangle scalene triangle equilateral triangle right triangle parallellogram rectangle rhombus square trapezoid