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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