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Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.

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A beautiful, free online scientific calculator with advanced features for evaluating percentages, fractions, exponential functions, logarithms, trigonometry, statistics, and more.

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A required part of this site couldn’t load. This may be due to a browser extension, network issues, or browser settings. Please check your connection, disable any ad blockers, or try using a different browser.

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Review student understanding at the class, individual student, or question-level.

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This program will allow me to receive coupons for school supplies. (Click on the figure below.)
The Zip code for Grady is 30309

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Geometry Syllabus

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Geometry Honors Syllabus

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Class Calendar found here. Click on the picture below.

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Being successful in math requires a little struggle with a lot of grit. It is good if you are confused and lost but it's more of a reward when you push through the confusing and working towards understanding.
Take a look at the articles & video below to get a better understanding of how your struggle this year will be a GREAT one!!

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Being successful in math requires a little struggle with a lot of grit. It is good if you are confused and lost but it's more of a reward when you push through the confusing and working towards understanding.

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Experiment with transformations in the plane
MGSE9-12.G.CO.1 Know precise definitions of angle, circle, perpendicular line, parallel line, and line segment, based on the undefined notions of point, line, distance along a line, and distance around a circular arc. MGSE9-12.G.CO.2 Represent transformations in the plane using, e.g., transparencies and geometry software; describe transformations as functions that take points in the plane as inputs and give other points as outputs. Compare transformations that preserve distance and angle to those that do not (e.g., translation versus horizontal stretch). MGSE9-12.G.CO.3 Given a rectangle, parallelogram, trapezoid, or regular polygon, describe the rotations and reflections that carry it onto itself.
MGSE9-12.G.CO.4 Develop definitions of rotations, reflections, and translations in terms of angles, circles, perpendicular lines, parallel lines, and line segments.
MGSE9-12.G.CO.5 Given a geometric figure and a rotation, reflection, or translation, draw the transformed figure using, e.g., graph paper, tracing paper, or geometry software. Specify a sequence of transformations that will carry a given figure onto another.

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Understand Congruence in terms of rigid motions.
MGSE9-12.G.CO.6:

Use geometric descriptions of rigid motions to transform figures and to predict the effect of a given rigid motion on a given figure; given two figures, use the

definition of congruence in terms of rigid motions to decide if they are congruent.

MGSE9-12.G.CO.7:

Use the definition of congruence in terms of rigid motions to show that two triangles are congruent if and only if corresponding pairs of sides and corresponding pairs of angles are congruent.

MGSE9-12.G.CO.8

Explain how the criteria for triangle congruence (ASA, SAS, and SSS) follow from the definition of congruence in terms of rigid motions. (Extend to include HL and AAS.)

Define trigonometric ratios and solve problems involving right triangles.

Make geometric constructions.
MGSE9-12.G.CO.12

Make formal geometric constructions with a variety of tools and methods (compass and straightedge, string, reflective devices, paper folding, dynamic geometric software, etc.). Copying a segment; copying an angle; bisecting a segment; bisecting an angle; constructing perpendicular lines, including the perpendicular bisector of a line segment; and constructing a line parallel to a given line through a point not on the line.
MGSE9-12.G.CO.13

Construct an equilateral triangle, a square, and a regular hexagon, each inscribed in a circle.

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Translations
https://www.khanacademy.org/math/geometry-home/transformations/modal/quiz/geo-translations-quiz
Reflections
https://www.khanacademy.org/math/geometry-home/transformations/modal/quiz/geo-rotations-quiz
Rotations
https://www.khanacademy.org/math/geometry-home/transformations/modal/quiz/geo-rotations-quiz
Transformation Practice
https://www.khanacademy.org/math/geometry-home/transformations/modal/test/transformations-unit-test

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MGSE9-12.G.CO.9 Prove theorems about lines and angles. Theorems include: vertical angles are congruent; when a transversal crosses parallel lines, alternate interior angles are congruent and corresponding angles are congruent; points on a perpendicular bisector of a line segment are exactly those equidistant from the segment’s endpoints.
MGSE9-12.G.CO.10 Prove theorems about triangles. Theorems include: measures of interior angles of a triangle sum to 180 degrees; base angles of isosceles triangles are congruent; the segment joining midpoints of two sides of a triangle is parallel to the third side and half the length; the medians of a triangle meet at a point.
MGSE9-12.G.CO.11 Prove theorems about parallelograms. Theorems include: opposite sides are congruent, opposite angles are congruent, the diagonals of a parallelogram bisect each other, and conversely, rectangles are parallelograms with congruent diagonals. Make geometric constructions
MGSE9-12.G.CO.12 Make formal geometric constructions with a variety of tools and methods (compass and straightedge, string, reflective devices, paper folding, dynamic geometric software, etc.). Copying a segment; copying an angle; bisecting a segment; bisecting an angle; constructing perpendicular lines, including the perpendicular bisector of a line segment; and constructing a line parallel to a given line through a point not on the line.
MGSE9-12.G.CO.13 Construct an equilateral triangle, a square, and a regular hexagon, each inscribed in a circle.