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Core Content and Skills
Math Geometry R
2007-2008
BOE Approved


Intro to Geometry
 Content 
 Skills 
Geometry Vocabulary

 
Recognizing and defining key words in vocabulary

 
Supplementary and Complementary Angles

 
Finding the complement and supplement of a given angle

 
Parallel lines cut by a transversal

 
Identifying and finding the measure of alternate interior, alternate exterior, and corresponding angles and identifying angles that are supplementary or congruent

 
Properties and angles of a triangle

 
Identify types of triangles, by sides and angles

Identify and find angles of isosceles triangles

Finding interior and exterior angles (exterior angle theorem) of a triangle

 
Sum of interior and exterior angles of a polygon

 
Finding the sum of the exterior angles of a polygon, finding the measure of each exterior angle of a regular polygon

Finding the sum of the angles in a polygon, finding the measure of each angle of a regular polygon

 
Triangle Inequalities

 
Recognizing whether any 3 numbers can form the sides of a triangle. Given 2 integers, finding all possible values that could be 3rd side

 
 
Perimeter and Area
 Content 
 Skills 
Ratio of perimter and area of similar polygons

 
Finding the lengths of sides of similar polygons using the measures of the sides

Finding the length of a side, or the perimeter, of similar polygons using one side of each polygon and the perimeter of one of the polygons

Finding the length of a side of a polygon using one side of each polygon and the area of one of the polygons

 
 
Quadrilaterals
 Content 
 Skills 
Properties of quadrilaterals

Properties of parallelograms

Special Parallelograms, including rectangles, rhombuses, and squares

Properties of trapezoids including isosceles trapezoids

 
Finding the measure of angles, sides and diagonals of a parallelogram

Finding the measures of sides, angles, medians, and diagonals of a trapezoid

Identifying properties of parallelograms and isosceles trapezoids

 
 
Area
 Content 
 Skills 
Finding area of polygons

 
FInd area of a polygon using formulas

Find the area of a shaded region/circumscribed polygons

Find area of shaded region of circumscribed polygons

Find area of an irregular polygon - box in method

 
 
Quadratics
 Content 
 Skills 
Factoring Review

Solving a quadratic equation by factoring

Solve a quadratic equation by using the quadratic formula

Graphing a quadratic equation

Quadratic Transformations

 
Factoring a quadratic by using the GCF, trinomial, perfect square methods

Factoring an expression completely

Solving a quadratic equation by using the various factoring techniques

Solving a quadratic equation by using the quadratic formula

Identifying the nature of the roots after an equation is solved by the quadratic formula

Graphing a quadratic equation - by hand and by the use of the graphing calculator

Identifying the roots, the axis of symmetry, the minimum and maximum points of a quadratic equation

Solving Quadratic Word Problems - ball toss, path of a rocket, etc.

Recognizing what makes a parabola shift up, down, left, right ( use of graphing calculator)

 
 
Transformational Geometry
 Content 
 Skills 
Line Reflections

Line Symmetry

Point Reflection

Point Symmetry

Rotational Symmetry

Translations

Rotations

Dilations

Compositions

Glide Reflections

Coordinate Geometry Transformations of Polygons

Isometries and Orientations

 
Identifying shapes that have line and point symmetry

Reflecting a point of shape over the axes, over y=x, y=-x, x=k, y=k

Sliding a point, or shape, given a specific translation

Identifying a translation by looking at a graph or the new set of points

Rotating a figure 90, 180, 270 and 360 degrees

Identifying and graphing new points after a specific dilation

Identifying and graphing a point, or figure, after a series of transformations

Finding the area of a polygon after a transformation

Identifying whether a shape remains the same size or is oriented in the same direction after a transformation

 
 
Volume
 Content 
 Skills 
Volume of circular solids

Volume of cubes

 
Finding the volume of cylinders, cones and spheres

Finding the volume of a cube and pyramid

 
 
Equations of a circle
 Content 
 Skills 
Graphing Circles

Identify radius and center of a circle

 
Graph a circle on a coordinate plane, given an equation

Identify the center and radius of a circle, given a graph or an equation

Graph and make observations of a circle, given a word problem

 
 
Systems of Equations
 Content 
 Skills 
Solving systems of equations algebraically

Solving systems of equations graphically

 
Review solving two linear systems algebriacally

Review word problems involving two linear systems of equations

Solve a linear-quadratic system of equations algebraically

Review solving two linear systems of equations graphically

Solve a linear-quadratic system of equations graphically

Solve a linear-circle system of equations graphically

Solve a quadratic-circle system of equations graphically

 
 
Constructions
 Content 
 Skills 
Constructing angles, segments, points through lines

Constructions with triangles

 
Construcing congruent segments

Bisecting a segment

Creating congruent angles

Bisecting a given angle

Creating a perpendicular line through a point on the line and a point not on the line

Constructing altitudes, medians and equilateral triangles

 
 
Locus
 Content 
 Skills 
Vocabulary

Simple Locus

Compound locus

Locus and Coordinate Geometry

 
Identify the types of locus

Draw a given locus using its description

Finding compound loci

Solving locus word problems - fence, treasure chest, trees, etc.

Finding the points that satisfy a given condition in the coordinate plane ( equidistant from a line, a point, two lines, two points, etc )

 
 
Logic
 Content 
 Skills 
Terminology

Statements

Logical Reasoning

Venn Diagrams

 
Negation, conjunction, disjunction, truth value

Identifying Converse, Inverse, Contrapositive and Logically Equivalent statements

Solving verbal problems using a Venn Diagrams

 
 
Identity Tables
 Content 
 Skills 
Identity and Inverse Element

 
Identifying identity and inverse element in an identity/binary table

 
 
Probability
 Content 
 Skills 
Empirical/Theoretical Probability

Counting Principle

Probability of 2 events ( and/or )

Permutations

Combinations

 
Review empirical and theoretical probability

Review probability of A and B, A or B

Review Counting Principle, Permutations, probability with permutations

Solving problems involving combinations

Understanding the differences of combinations and permutations

Solving probability problems involving combinations

 
 
Statistics
 Content 
 Skills 
Measures of Central Tendency

 
Identify mean, median, mode, and standard variation from data.

 
The Summation Symbol

 
Evaluate sums using proper summation notation.

 
Measures of Dispersion

Grouped Data

Normal Distribution

 
Use normal distribution to evaluate statistics.

 
 
Regression and Best Fit
 Content 
 Skills 
Exponential curve and regression

 
Identlfy which function would be the best fit given a set of data

 
Linear Regression

 
Creating a scatter plot

Creating a linear equation to fit a set of data

Identify practical significance of slope, y-intercept, ordered pair of a linear model

Make predictions for future, given a set of data, by using linear model

 
Quadratic Regression

 
Create a "best fit" quadratic equation given a set of data

Extrapolate information from given data to make predictions

 
 
Coordinate Geometry
 Content 
 Skills 
Slope, Midpoint and Distance formulas

 
Finding the slope of a line when given 2 points on the line

Finding the midpoint of 2 given points; finding an endpoint, given one endpoint and a midpoint

Finding the distance between 2 given points on a coordinate plane

 
Properties of quadrilaterals

 
Identify and apply properties of quadrilaterals

 
Coordinate Geometry Proofs

 
Proving a quadrilateral is a parallelogram

Identify literal coordinates of a quadrilateral

Proving that a quadrilateral is a rectangle, rhombus or a square

Proving that a quadrilateral is a trapezoid (or an isosceles trapezoid)

Create a polygon using literal coordinates

General coordinate proofs

 
 
Euclidean Geometry
 Content 
 Skills 
Congruent triangles

 
Proving triangles congruent by SAS, ASA,SSS, AAS, HL

 
Euclidean Geometry Proofs

 
Proving a segment has a special property (median, angle bisector, perpendicular side)

Proving a triangle is isosceles

Proving parts of a triangle are congruent (CPCTC)

Writing indirect proofs

 
 
Euclidean Geometry (cont'd)
 Content 
 Skills 
Geometry Inequalites

 
Applying triangle inequalities

Writing proofs using geometry inequalities

 
 
Right Triangle and Proportions
 Content 
 Skills 
Right triangle similarity

 
Solving for a missing side of a right triangle using right triangle proportions

Prove two triangles are similar (AA Theorem)

 
Special Right Triangles

 
Proving the Pythagorean Theorem

Solving for sides of a right triangle using the 30-60-90 and 45-45-90 special right triangle rules

 
 
Geometry of the Circle
 Content 
 Skills 
Arcs and Angles

Angles formed by Tangents, Secants, and Chords

Inscribed Angles

 
Be able to relate angles and arcs following theorems.

 
Chords

Measures of Chords, Tangent Segments, and Secant Segments

Tangents and Secants

 
Be able to find additional parts of a circle using given parts

Be able to use theorems to find the lengths of the measures of secants, tangents, and chords

 
 
 
Putnam Valley Central School District, 146 Peekskill Hollow Road, Putnam Valley, NY 10579
Phone (845) 528-8143 Fax (845) 528-0274