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Transcript

Lesson Plan –Geometry Teacher: Clark Period(s): 2nd State competency goal and objective: Start date: 1-03 End date: 1-06 2.03 Apply properties, definitions, and theorems of two-dimensional figures to solve problems and write proofs: d) Circles. EQ: How do you use the properties of tangents and chords to find missing measures in circles? How do you use central angles to find arc measures? How do you use inscribed angles to find missing measures in circles? How do you use circumference to find arclength? Literacy enhancements/Key Vocabulary: circle center radius diameter chord tangent tangent circles common tangent internally tangent externally tangent point of tangency inscribed circumscribed concentric circles congruent circles secant major arc inscribed angle intercepted arc minor arc semicircle central angle circumference pi arclength external segment tangent segment secant segment chord segment Adaptations/Differentiation: Practice handouts A,B, and C (level based) Lesson steps: **Warm ups- from previous lessons (Tuesday thru Friday)** **Alignment to Circles- use during lesson and as warm up problems. Tuesday : Warm ups: KWL on circles. 10.1- Tangents to circles and 10.2 Arcs and Chords .11.2 Areas of regular polygons Guided notes. Checkpoint exercises within the notes. Practice handouts A,B, and C (level based) 10.1.CIRCLES.BASIC.DEFINITIONS POLYGONS,ANGLES,AREAS.ppt Wednesday Warm ups: 10.3- Inscribed Angles and 10.3 Concept Activity- Inscribed Angles 11.3 Concept Activity- Area relationships in similar figures. Guided notes. Checkpoint exercises within the notes. Practice handouts A,B, and C (level based) TANGENTS.AND.TANGENT.CIRCLES SIMILAR.FIGURES.PERIMETERS.AREAS.2008.ppt Thursday Warm ups: 10.4- Other angle relationships in circles and; 10.5 Segment lengths in circles. 11.4 Circumference and Arc Length Guided notes. Checkpoint exercises within the notes. Practice handouts A,B, and C (level based) CIRCUMFERENCE.ARC.LENGTH.1 CIRCLES.AREAS.CIRCUMFERENCE.2008.ppt *Quiz- Identifying special segments and parts of a circle (10.1 to 10.3) Friday Warm ups: 11.5 Areas of Circles and Sectors. 11.6 Geometric Probability CIRCLES.AREAS Guided notes. Checkpoint exercises within the notes. Practice handouts A,B, and C (level based) PROBABILITY.1 POLYGONS,ANGLES,AREAS.GEO.PROBABILITY.ppt