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MAFS.912.G-CO.1.1

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Congruence, Similarity, Right Triangles & Trig - 46%

MAFS.912.G.


Circles, Geometric Measurement & Geometric Properties with Equations - 38%

MAFS.912.G-


Modeling with Geometry - 16%

MAFS.912.G-


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What You Need To Know...

MAFS.912.G-CO.1.1 - Know precise definitions of angle, circle, perpendicular line, parallel line, line segment, based on undefined notions of point, line, distance along a line,and distance around a circular arc.

1. The benchmark will be assessed using MC (multiple choice), MS (multi-select), GR (graphic response), Open Response, Hot Text, or Selectable Text Response.

2. Items may require student to analyze definitions for mathematical accuracy.

3. Items may require students to use definitions to justify examples and nonexamples.

4. Items may require students to use properties of translations, rotations, and reflections as steps to a formal definition.

 

Example One

On a coordinate grid, AB.jpg has an end point B at (24, 16). The midpoint of AB.jpg is P(4, -3). What is the y-coordinate of Point A.

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Example Two


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Example Three

Additional Examples

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Definitions are Distinct
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Importance of Precision
Undefinable Terms
Precise Definistions

Reference Sheet



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Select sample problems taken from FLDVIPN teacher materials

Violet Esopakis - Palm Beach Co.
Stephanie Fitzwater - Seminole Co.
Angela Kerins - Orange Co.
Lisa Lasseter - St. Johns Co.
Jeremy Lowery - Escambia Co.
Jodi Van Wagoner - Brevard Co.

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