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Geometry - 1st Geometry - 3rd Principles of Algebra Algebra I Algebra II

Geometry - 1st Geometry - 3rd Principles of Algebra Algebra I Algebra II

Geometry - Period 1

Click on any colored box to view study materials for your class. Textbook pages, worksheets, outlines, and videos are available at any time. Lesson notes and homework solutions will become available as we cover each topic in class.

PROOFS CHEAT SHEET

Click here for a list of all possible reasons that can be used in our proofs.

STUDY ISLAND CHECKPOINTS 3 & 4 - EQUATIONS OF LINES / FUNCTIONS
STUDY ISLAND section	LESSON	PRACTICE ASSIGNMENT	SOLUTIONS
Proportional Relationships	Proportional Relationships	Proportional Relationships Practice, #1-12 all	Solutions
Slope and y-Intercept	Slope & y-Intercept	Slope & y-Intercept Practice, #1-13 all	Solutions

TEST 9 - SIMILAR POLYGONS
section	topic	written NOTES	videos	printable ASSIGNMENTS	HOMEWORK SOLUTIONS
9A	Ratio & Proportion Notes Outline	Notes	Ratios & Proportions 1 Example Video Ratios & Proportions 2 Example Video	OWS 9A.1 - Ratio & Proportion, #1-13 all	Solutions
				OWS 9A.2 - More Ratio & Proportion, #1-13 all	Solutions
9B	Similar Polygons Notes Outline	Notes	Similar Polygons 1 Example Video Similar Polygons 2 Example Video	OWS 9B.1 - Similar Polygons, #1-25 all	Solutions
				pp. 409-411, #1-6 all, #9, #10, #21, #33-36 all, #43-48 all	Solutions
9C	AA Similarity Postulate Notes Outline	Notes	AA~ Postulate 1 Example Video AA~ Postulate 2 Example Video Similar Triangles Word Problem 1 Example Video	OWS 9C.1 - AA Similarity Postulate, #1-12 all	Solutions
				OWS 9C.2 - More AA Similarity Postulate, #1-11 all	Solutions
				pp. 417-418, #1-17 all, #23-26 all	Solutions
9D	SSS & SAS Similarity Theorems Notes Outline	Notes	SAS~ and SSS~ Theorems 1 Example Video SAS~ and SSS~ Theorems 2 Example Video SAS~ and SSS~ Theorems 3 Example Video	OWS 9D.1 - SSS & SAS Similarity Theorems, #1-9 all	Solutions
				OWS 9D.2 - More SSS & SAS Similarity Theorems, #1-9 all	Solutions
				pp. 425-428, #1-6, #9-17 all, #25, #31	Solutions
9E	Proportional Lengths Notes Outline	Notes	Proportional Lengths 1 Example Video Proportional Lengths 2 Example Video Proportional Lengths 3 Example Video	OWS 9E.1 - Proportional Lengths, #1-12 all	Solutions
				pp. 434-435, #1, #2, #11-24 all, #26, #28	Solutions
				OWS 9E.2 - More Proportional Lengths, #1-11 all	Solutions

MINI-TEST 8 - other quadrilaterals
section	topic	written NOTES	videos	printable ASSIGNMENTS	HOMEWORK SOLUTIONS
8A	Rectangles, Rhombuses, and Squares Notes Outline	Notes	Rectangles, Rhombuses, & Squares 1 Example Video Rectangles, Rhombuses, & Squares 2 Example Video The Median to a Hypotenuse Example Video	OWS 8A.1 - Rectangles, Rhombuses & Squares, #1-17 all	Solutions
				WS 8A.2 – More Rectangles, Rhombuses, and Squares, #1-20 all	Solutions
				OWS 8A.3 - Even More Rectangles, Rhombuses & Squares, #1-8 all	Solutions
				p. 379, #1-6 all, #11-22 all	Solutions
				p. 380, #29-52 all, #61-67 all	Solutions
8B	Trapezoids and Kites Notes Outline	Notes	Isosceles Trapezoids 1 Example Video Isosceles Trapezoids 2 Example Video Isosceles Trapezoids 3 Example Video	pp. 389-390, #5-10 all, #15-28 all	Solutions
				OWS 8B.1 - Trapezoids & Kites, #1-21 all	Solutions
				WS 8B.2 – Trapezoids, #1-17 all	Solutions
				OWS 8B.3 - More Trapezoids & Kites, #1-6 all	Solutions
				pp. 390-391, #35, #36, #46	Solutions

TEST 7 - PARALLELOGRAMS
section	topic	written NOTES	videos	printable ASSIGNMENTS	HOMEWORK SOLUTIONS
7A	Properties of Parallelograms Notes Outline	Notes	Properties of Parallelograms 1 Example Video Properties of Parallelograms 2 Example Video Properties of Parallelograms 3 Example Video Properties of Parallelograms 4 Example Video	OWS 7A.1 - Properties of Parallelograms, #1-17 all	Solutions
				OWS 7A.2 - More Properties of Parallelograms, #1-10 all	Solutions
				OWS 7A.3 - Even More Properties of Parallelograms, #1	Solutions
				pp. 360-362, #1-22 all, #29, #30, #43	Solutions
7B	Proving Quadrilaterals to be Parallelograms Notes Outline	Notes	Proving Quadrilaterals to be Paralellograms 1 Example Video Proving Quadrilaterals to be Paralellograms 2 Example Video Proving Quadrilaterals to be Paralellograms 3 Example Video	OWS 7B.1 - Proving Quadrilaterals to be Parallelograms, #1-10 all	Solutions
				OWS 7B.2 - More Proving Quadrilaterals to be Parallelograms, #1-6 all	Solutions
				pp. 369-371, #1-14 all, #22, #27, #28, #41, #43	Solutions
				WS 7B.3 – Even More Proving Quadrilaterals to be Parallelograms, #1-15 all	Solutions
7C	More Parallel Line Theorems Notes Outline	Notes	More Parallel Line Theorems 1 Example Video More Parallel Line Theorems 2 Example Video More Parallel Line Theorems 3 Example Video More Parallel Line Theorems 4 Example Video	OWS 7C.1 - Parallel Line Theorems, #1-11 all	Solutions
				OWS 7C.2 - More Parallel Line Theorems, #1-10 all	Solutions
				p. 321, #6-16 all	Solutions

TEST 6 - CONGRUENT TRIANGLES PART 2
section	topic	written NOTES	videos	printable ASSIGNMENTS	HOMEWORK SOLUTIONS
6A	Isosceles Triangle Theorems Notes Outline	Notes	Isosceles Triangle Theorems 1 Example Video Isosceles Triangle Theorems 2 Example Video Isosceles Triangle Theorems 3 Example Video	OWS 6A.1 - Isosceles Triangle Theorems, #1-11 all	Solutions
				pp. 248-249, #1-8, #11-18, #21-25 all	Solutions
				OWS 6A.2 - More Isosceles Triangle Theorems, #1-7 all	Solutions
6B	Triangle Congruence Theorems Notes Outline	Notes	AAS and HL Theorems 1 Example Video AAS and HL Theorems 2 Example Video	OWS 6B.1 - Triangle Congruence Theorems, #1-8 all	Solutions
				WS 6B.2 – Proving Triangles Congruent, #1-7 all	Solutions
				WS 6B.3 – Using More Than One Pair of Congruent Triangles 1, #1-2 all	Solutions
				WS 6B.4 – Using More Than One Pair of Congruent Triangles 2, #1-2 all	Solutions
				WS 6B.5 – Using More Than One Pair of Congruent Triangles 3, #1-2 all	Solutions
6C	Medians, Altitudes, and Perpendicular Bisectors Notes Outline	Notes	Medians, Altitudes, & Perpendicular Bisectors 1 Example Video Medians, Altitudes, & Perpendicular Bisectors 2 Example Video Medians, Altitudes, & Perpendicular Bisectors 3 Example Video Euler Lines Enrichment Video	OWS 6C.1 – Medians, Altitudes, & Perpendicular Bisectors, #1-10 all	Solutions
				WS 6C.2 – More Medians, Altitudes, and Perpendicular Bisectors, #1-10 all	Solutions
				p. 314, #25, #26	Solutions
				Enrichment: pp. 314-315, #1-14, #27-32, #39-42 all	Solutions

TEST 5 - CONGRUENT TRIANGLES PART 1
section	topic	written NOTES	videos	printable ASSIGNMENTS	HOMEWORK SOLUTIONS
5A	Congruent Figures Notes Outline	Notes	Congruent Figures Example Video	pp. 235-236, #1-10 all, #17, #23, #24	Solutions
				OWS 5A.1 - Congruent Figures, #1-5 all	Solutions
				WS 5A.2 - More Congruent Figures, #1-9 all	Solutions
5B	Triangle Congruence Postulates Notes Outline	Notes	Proving Triangles Congruent 1 Example Video Proving Triangles Congruent 2 Example Video	OWS 5B.1 - Triangle Congruence Postulates, #1-11 all	Solutions
				OWS 5B.2 - More Triangle Congruence Postulates, #1-10 all	Solutions
				WS 5B.3 - SSS, SAS, and ASA Postulates, #1-2 all	Solutions
				p. 241, #5-8 all	Solutions
5C	Using Congruent Triangles Notes Outline	Notes	N/A	OWS 5C.1 - Using Congruent Triangles, #1-7 all	Solutions
				WS 5C.2 - More Using Congruent Triangles, #1-2 all	Solutions

STUDY ISLAND CHECKPOINT 2 - EQUATIONS, SQUARE ROOTS, & CUBE ROOTS
STUDY ISLAND section	LESSON	PRACTICE ASSIGNMENT	SOLUTIONS
Solving Linear Equations	Solving Linear Equations	Solving Linear Equations Practice, #1-16 all	Solutions
Square and Cube Roots	Square and Cube Roots	Square and Cube Roots Practice, #1-18 all	Solutions

TEST 4 - INTRODUCTION TO POLYGONS
section	topic	written NOTES	videos	printable ASSIGNMENTS	HOMEWORK SOLUTIONS
4A	Angles of a Triangle Notes Outline	Notes	Angles of a Triangle 1 Example Video Angles of a Triangle 2 Example Video Exterior Angles of a Triangle Example Video	WS 4A.1 - Angles of a Triangle, #1-20 all	Solutions
				OWS 4A.2 - More Angles of a Triangle, #1-15 all	Solutions
				OWS 4A.3 - Even More Angles of a Triangle, #1-16 all	Solutions
				pp. 228-229, #9-34 all	Solutions
4B	Angles of Polygons Notes Outline	Notes	Angles of Polygons 1 Example Video Angles of Polygons 2 Example Video Regular Polygons 1 Example Video Regular Polygons 2 Example Video	WS 4B.1 - Angles of Polygons, #1-17 all	Solutions
				pp. 352-353, #1-37 odd	Solutions
				pp. 352-353, #2-36 even	Solutions
				OWS 4B.2 - More Angles of Polygons, #1-21 all	Solutions
4C	Inductive and Deductive Reasoning Notes Outline	Notes	Inductive and Deductive Reasoning 1 Example Video Inductive and Deductive Reasoning 2 Example Video	WS 4C.1 - Inductive and Deductive Reasoning, #1-24 all	Solutions
				WS 4C.2 - Reasoning with Parallel Lines, #1-15 all	Solutions
				pp. 78-80, #1-14 all, #29-32, #37, #42	Solutions
				WS 4C.3 - Inductive and Deductive Reasoning, #1-9 all	Solutions

TEST 3 - PARALLEL LINES AND PLANES
section	topic	written NOTES	videos	printable ASSIGNMENTS	HOMEWORK SOLUTIONS
3A	Lines & Planes Notes Outline	Notes	Lines and Transversals Example Video Angles and Transversals Example Video Intersecting, Parallel, or Skew Example Video	OWS 3A.1 - Lines & Planes, #1-32 all	Solutions
				pp. 125-126, #1-22 all	Solutions
3B	Properties of Parallel Lines Notes Outline Proof of Congruent Supplements Theorem Proof of Congruent Complements Theorem	Notes	Parallel Lines 1 Example Video Parallel Lines 2 Example Video Parallel Lines 3 Example Video	OWS 3B.1 - Properties of Parallel Lines, #1-13 all	Solutions
				pp. 131-132, #1-14, #19-24 all	Solutions
				OWS 3B.2 - More Properties of Parallel Lines, #1-10 all	Solutions
				OWS 3B.3 - Even More Properties of Parallel Lines, #1	Solutions
3C	Proving Lines Parallel Notes Outline	Notes	Proving Lines Parallel 1 Example Video Proving Lines Parallel 2 Example Video	OWS 3C.1 - Proving Lines Parallel, #1-14 all	Solutions
				OWS 3C.2 - More Proving Lines Parallel, #1-12 all	Solutions
				pp. 138-139, #1-6, #11-16, #19-22, #30-32 all	Solutions
				WS 3C.3 - Parallel Line Proofs 1, #1-2	Solutions
				WS 3C.4 - Parallel Line Proofs 2, #1-2	Solutions
				WS 3C.5 - Parallel Line Proofs 3, #1-2	Solutions

STUDY ISLAND CHECKPOINT 1 - rational & Irrational numbers
STUDY ISLAND section	LESSON	PRACTICE ASSIGNMENT	SOLUTIONS
Real Numbers	Rational and Irrational Numbers	Rational and Irrational Numbers Practice, #1-20 all	Solutions
Approximations of Irrational Numbers	Approximations of Irrational Numbers	Approximations of Irrational Numbers Practice, #1-21 all	Solutions
Clee's Notes on these topics		Clee's Video on these topics

TEST 2 - REASONING AND PROOF
section	topic	written NOTES	videos	printable ASSIGNMENTS	HOMEWORK SOLUTIONS
2A	Conditionals Notes Outline	Notes	Conditionals 1 Example Video Conditionals 2 Example Video	OWS 2A.1 - Conditionals, #1-31 all	Solutions
				pp. 69-71, #1-10 all, #23-34 all, #45-48 all, #52	Solutions
2B	Introduction to Proof Notes Outline	Notes	Concept Video: Why Bother With Proofs? Algebraic Proof 1 Example Video Algebraic Proof 2 Example Video	OWS 2B.1 - Introduction to Proof, #1-10 all	Solutions
				pp. 92-93, #1-33 odd, #35-38 all	Solutions
				WS 2B.2 - Another Introduction to Proof, #1-10 all	Solutions
2C	Midpoint and Angle Bisector Theorems Notes Outline	Notes	Proof Involving a Midpoint Example Video	OWS 2C.1 - Midpoint & Angle Bisector Theorems, #1-18 all	Solutions
				WS 2C.2 - Proving Theorems, #1-17 all	Solutions
2D	Special Angle Pairs Notes Outline	Notes	Complementary & Supplementary 1 Example Video Complementary & Supplementary 2 Example Video Vertical Angles Example Video Vertical Angles Proof Example Video	pp. 50-51, #1-21 all, #31-42 all	Solutions
				OWS 2D.1 - Special Angle Pairs, #1-17 all	Solutions
				OWS 2D.2 - More Special Angle Pairs, #1-17 all	Solutions

TEST 1 - BASIC GEOMETRIC FIGURES
section	topic	written NOTES	videos	printable ASSIGNMENTS	HOMEWORK SOLUTIONS
1A	Points, Lines, and Planes Notes Outline	Notes	Points, Lines, & Planes 1 Example Video Points, Lines, & Planes 2 Example Video	OWS 1A.1 - Points, Lines, & Planes, #1-24 all	Solutions
				pp. 8-10, #1-8 all, #25-35 all, #41-45 all, #51-60 all	Solutions
				WS 1A.2 - Sketching Points, Lines, & Planes, #1-11 all	Solutions
				WS 1A.3 - Basic Geometric Figures, #1-20 all	Solutions
1B	Segments, Rays, and Length Notes Outline	Notes	Segments, Rays, and Length Example Video Segment Addition Example Video Midpoint Example Video	OWS 1B.1 - Segments, Rays, & Length, #1-45 all	Solutions
				pp. 16-18, #13-23 all, #27, #28, #34, #35	Solutions
				WS 1B.2 - Segments, Rays, & Length, #1-32 all	Solutions
1C	All About Angles Notes Outline	Notes	Angle Addition Example Video Angle Bisector Example Video	OWS 1C.1 - All About Angles, #1-27 all	Solutions
				pp. 41-43, #1-12 all, #15-27 odd, #31-43 odd, #49	Solutions
1D	Postulates and Theorems Notes Outline	Notes	N/A	OWS 1D.1 - Postulates & Theorems, #1-12 all	Solutions
				WS 1D.2 - Definitions & Postulates, #1-16 all	Solutions

ALGEBRA REVIEW - Systems of Equations
topic	written NOTES	videos	printable ASSIGNMENTS	HOMEWORK SOLUTIONS
Solving Systems of Equations by Graphing	Notes	Lesson Video	WS - Solving Systems of Equations by Graphing, #1-11 all	Solutions
Solving Systems of Equations by Substitution	Notes	Lesson Video	WS - Solving Systems of Equations by Substitution, #1-8 all	Solutions
			WS - More Solving Systems of Equations by Substitution, #1-8 all	Solutions
Solving Systems of Equations by Elimination	Notes	Lesson Video	WS - Solving Systems of Equations by Elimination, #1-8 all	Solutions
			WS - More Solving Systems of Equations by Elimination, #1-8 all	Solutions

ALGEBRA REVIEW - FACTORING POLYNOMIALS
topic	written NOTES	videos	printable ASSIGNMENTS	HOMEWORK SOLUTIONS
Factoring Using GCF	Notes	Lesson Video	WS - Factoring by GCF, #1-16 all	Solutions
			WS - Factoring by GCF, #1-16 all	Solutions
Difference of Two Squares & Perfect Square Trinomials	Notes	Lesson Video: Difference of Two Squares Lesson Video: Introduction to Reverse FOIL	WS - Difference of Two Squares & Perfect Square Trinomials, #1-18 all	Solutions
			WS - More Difference of Two Squares & Perfect Square Trinomials, #1-18 all	Solutions
Factoring Using Sum or Difference of Cubes	Notes	Lesson Video	WS - Factoring Using the First Five Methods, #1-18 all	Solutions
			WS - More Factoring Using the First Five Methods, #1-18 all	Solutions
Factoring Using Reverse FOIL	Notes	Lesson Video	WS - Factoring by Reverse FOIL, #1-20 all	Solutions
			WS - More Factoring by Reverse FOIL, #1-20 all	Solutions
			WS - Even More Factoring by Reverse FOIL, #1-20 all	Solutions
Polynomial GCFs / Factoring by Grouping	Notes	Lesson Video: Factoring out a Polynomial GCF Example Video: Factoring by Grouping 1 Example Video: Factoring by Grouping 2 Example Video: Factoring by Grouping 3	WS - Polynomial GCFs / Factoring by Grouping, #1-8 all	Solutions
			WS - More Polynomial GCFs / Factoring by Grouping, #1-8 all	Solutions
Factoring Completely	Notes	Example Video: Factoring Completely	WS - Factoring Completely, #1-12 all	Solutions
			WS - More Factoring Completely, #1-12 all	Solutions

ALGEBRA REVIEW - SOLVING EQUATIONS
topic	written NOTES	videos	printable ASSIGNMENTS	HOMEWORK SOLUTIONS
Solving Linear Equations	Notes	Homework Video: Solving Linear Equations #9	WS - Solving Linear Equations, #1-11 all	Solutions
			WS - More Solving Linear Equations, #1-11 all	Solutions
Special Equations	Notes	Concept Video: How to Get Rid of Fractions in Equations Concept Video: Equations with No Solution or Infinitely Many Solutions	WS - Solving Special Equations, #1-5 all	Solutions
			WS - More Solving Special Equations, #1-5 all	Solutions
The Square Root Property	Notes	N/A	WS - The Square Root Property, #1-12 all	Solutions
Solving Polynomial Equations by Factoring	Notes	Lesson Video	WS - Solving Polynomial Equations by Factoring, #1-12 all	Solutions
			WS - More Solving Polynomial Equations by Factoring, #1-12 all	Solutions
Completing the Square	Notes	N/A	WS - Solving Equations by Completing the Square, #1-8 all	Solutions
			WS - More Solving Equations by Completing the Square, #1-8 all	Solutions
The Quadratic Formula	Notes	N/A	WS - Solving Equations by the Quadratic Formula, #1-8 all	Solutions
			WS - More Solving Equations by the Quadratic Formula, #1-8 all	Solutions

KEYSTONE EXAM STUDY MATERIALS
Essential ALGEBRA I Review Materials	Keystone Module 1 Review Materials		Keystone Module 2 Review Materials
Basic Concept Blank Review	2023 Module 1 Blank Review	2023 Module 1 Solutions	2023 Module 2 Blank Review	2023 Module 2 Solutions
	2022 Module 1 Blank Review	2022 Module 1 Solutions	2022 Module 2 Blank Review	2022 Module 2 Solutions
	2021 Module 1 Blank Review	2021 Module 1 Solutions	2021 Module 2 Blank Review	2021 Module 2 Solutions
Basic Concept Review Solutions	2019 Module 1 Blank Review	2019 Module 1 Solutions	2019 Module 2 Blank Review	2019 Module 2 Solutions
	2018 Module 1 Blank Review	2018 Module 1 Solutions	2018 Module 2 Blank Review	2018 Module 2 Solutions
	2017 Module 1 Blank Review	2017 Module 1 Solutions	2017 Module 2 Blank Review	2017 Module 2 Solutions
Keystone Exam Formula Sheet	2016 Module 1 Blank Review	2016 Module 1 Solutions	2016 Module 2 Blank Review	2016 Module 2 Solutions
Keystone Exam Formula Sheet	2015 Module 1 Blank Review	2015 Module 1 Solutions	2015 Module 2 Blank Review	2015 Module 2 Solutions

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