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  1. 1 1:50 Are you ready for High School Geometry? JoAnn's School · 77.6K views
  2. 2 9:42 Geometry 1.1, Understanding points, lines, and planes JoAnn's School · 54K views
  3. 3 17:58 Geometry 1.2, Measuring and constructing segments JoAnn's School · 28.5K views
  4. 4 22:44 Geometry 1.3, Measuring & constructing angles, angle bisector JoAnn's School · 15.8K views
  5. 5 14:50 Geometry 1.4, Pairs of angles JoAnn's School · 12.5K views
  6. 6 14:14 Geometry 1.5, Using Formulas in Geometry, Perimeter, Area, Circumference JoAnn's School · 9.1K views
  7. 7 16:23 Geometry 1.6, Midpoint and Distance in the Coordinate Plane JoAnn's School · 12.3K views
  8. 8 13:21 Geometry 1.7, Transformations in the Coordinate Plane JoAnn's School · 16.6K views
  9. 9 15:00 Geometry 2.1, Inductive Reasoning & Conjectures JoAnn's School · 8.9K views
  10. 10 13:54 Geometry 2.2a, Conditional Statements, IF,THEN p→q JoAnn's School · 6.8K views
  11. 11 6:49 Geometry 2.2b, More examples of Conditionals, Converse, Inverse, Contrapositive JoAnn's School · 4K views
  12. 12 12:11 Geometry 2.3a, Using Deductive reasoning to verify conjectures JoAnn's School · 5.9K views
  13. 13 11:17 Geometry 2.3b, Using Deductive reasoning to solve Logic puzzles JoAnn's School · 52.6K views
  14. 14 10:02 Geometry 2.4, Biconditional statements & Definitions, iff, p→q and q→p JoAnn's School · 5.7K views
  15. 15 14:29 Geometry 2.5, Algebraic Proof and justifying each step JoAnn's School · 9.9K views
  16. 16 13:06 Geometry 2.6a, Geometric Proof for a two-column proof JoAnn's School · 8.8K views
  17. 17 9:52 Geometry 2.6b, Design plans for two-column proofs JoAnn's School · 3.5K views
  18. 18 15:04 Geometry 2.7a, Read & Write Flowchart proofs JoAnn's School · 7.1K views
  19. 19 14:38 Geometry 2.7b, Read & Write Paragraph proof, Vertical Angles Theorem JoAnn's School · 3.4K views
  20. 20 12:56 Geometry 2.7c, Intro to Symbolic Logic, Conjunctions & Disjunctions JoAnn's School · 3.5K views
  21. 21 6:12 Geometry 3.1a, Parallel, Perpendicular, and Skew lines JoAnn's School · 6.4K views
  22. 22 9:46 Geometry 3.1b, Angle pairs formed by a Transversal JoAnn's School · 4.9K views
  23. 23 10:03 Geometry 3.1c, Find angle measures with Systems of Equations & Elimination JoAnn's School · 5.9K views
  24. 24 8:24 Geometry 3.2a, Corresponding Angles Postulate and Parallel lines JoAnn's School · 5K views
  25. 25 11:17 Geometry 3.2b, Parallel lines & Angle pairs & 3 Theorems JoAnn's School · 4.2K views
  26. 26 10:21 Geometry 3.3a, Converse of the Corresponding angles postulate JoAnn's School · 5.7K views
  27. 27 11:02 Geometry 3.3b, Proving lines parallel & 3 Converse theorems JoAnn's School · 4.3K views
  28. 28 3:40 Geometry 3.3c, Rhombus Method to construct parallel lines JoAnn's School · 3.6K views
  29. 29 5:52 Geometry 3.4a, Construct a Perpendicular bisector of a segment JoAnn's School · 2.6K views
  30. 30 10:58 Geometry 3.4b, Perpendicular Transversal Theorem & 2 more theorems for perpendicular lines JoAnn's School · 6.3K views
  31. 31 3:54 Geometry 3.4c, Construct Perpendicular line to a given line through a given point JoAnn's School · 1.9K views
  32. 32 14:11 Geometry 3.5a, Rise, Run, and finding the Slope of a line JoAnn's School · 3.2K views
  33. 33 9:05 Geometry 3.5b, Slopes of Parallel and Perpendicular lines JoAnn's School · 2K views
  34. 34 9:11 Geometry 3.6a, Point-slope form & Slope-intercept form JoAnn's School · 2.3K views
  35. 35 8:47 Geometry 3.6b, Graphing the equation of a line JoAnn's School · 1.5K views
  36. 36 10:12 Geometry 3.6c, Pairs of lines & system of 2 equations in 2 variables JoAnn's School · 1.5K views
  37. 37 7:10 Geometry 3.6d, Scatter plots & Line of best fit JoAnn's School · 1.2K views
  38. 38 8:34 Geometry 4.1a, Drawing & identifying Transformations JoAnn's School · 3.6K views
  39. 39 7:12 Geometry 4.1b, Transformations in the Coordinate Plane & Congruence JoAnn's School · 2.3K views
  40. 40 10:03 Geometry 4.2a, Classifying triangles by angle or side JoAnn's School · 6.4K views
  41. 41 3:42 Geometry 4.2b, Construct an Equilateral triangle with a compass JoAnn's School · 1.6K views
  42. 42 9:11 Geometry 4.3a, Triangle Sum Theorem & auxiliary lines JoAnn's School · 2.4K views
  43. 43 5:14 Geometry 4.3b, Two Corollaries from the Triangle Sum Theorem JoAnn's School · 4.6K views
  44. 44 10:02 Geometry 4.3c, Exterior Angles Theorem & Third Angles Theorem JoAnn's School · 2K views
  45. 45 14:56 Geometry 4.4, Properties of Congruent Polygons JoAnn's School · 3.3K views
  46. 46 7:11 Geometry 4.5a, Side-Side-Side (SSS) congruence, Triangle rigidity, & Included angles JoAnn's School · 2.1K views
  47. 47 13:05 Geometry 4.5b, Side-Angle-Side (SAS) congruence & construct triangles using SAS JoAnn's School · 2.1K views
  48. 48 11:19 Geometry 4.6a, Angle-Side-Angle (ASA) Congruence & construct triangles using ASA JoAnn's School · 2.2K views
  49. 49 8:25 Geometry 4.6b, Angle-Angle-Side (AAS) Congruence JoAnn's School · 1.5K views
  50. 50 7:41 Geometry 4.6c, Hypotenuse-Leg (HL) Congruence Theorem JoAnn's School · 2.8K views
  51. 51 2:58 Geometry 4.6d, Construct a Right triangle with a compass and straightedge JoAnn's School · 4.3K views
  52. 52 11:33 Geometry 4.7a, CPCTC Triangle Congruence & the Distance Formula JoAnn's School · 2.4K views
  53. 53 11:51 Geometry 4.7b, Proving the Parallel & Perpendicular Lines Theorems JoAnn's School · 1.8K views
  54. 54 5:44 Geometry 4.7c, Quadratic equation for side length of a triangle JoAnn's School · 2.5K views
  55. 55 10:26 Geometry 4.8, Coordinate Proof & figures in the Coordinate Plane JoAnn's School · 1.9K views
  56. 56 10:58 Geometry 4.9a, Isosceles Triangle Theorem & its Converse JoAnn's School · 2.8K views
  57. 57 6:55 Geometry 4.9b, Equilateral & Equiangular Corollaries JoAnn's School · 1.7K views
  58. 58 9:06 Geometry 4.9c, Congruent Triangles to prove Constructions valid JoAnn's School · 2.2K views
  59. 59 7:13 Geometry 5.1a, Perpendicular Bisector Theorem & its Converse JoAnn's School · 5.6K views
  60. 60 9:07 Geometry 5.1b, Angle Bisector Theorem & its Converse JoAnn's School · 1.9K views
  61. 61 9:17 Geometry 5.2a, Circumcenter of a Triangle & Circumcenter Theorem JoAnn's School · 10.2K views
  62. 62 8:52 Geometry 5.2b, Incenter Theorem, Inscribed Circles, and Angle Bisectors (New Version) JoAnn's School · 2.7K views
  63. 63 9:04 Geometry 5.3a, Centroid Theorem & construct Centroid of a Triangle JoAnn's School · 4K views
  64. 64 7:02 Geometry 5.3b, Altitude of a Triangle & finding the Orthocenter JoAnn's School · 2.9K views
  65. 65 10:04 Geometry 5.4a, The Triangle Midsegment Theorem JoAnn's School · 4.2K views
  66. 66 2:26 Geometry 5.4b, Construct the Midsegment of a triangle with a compass JoAnn's School · 4K views
  67. 67 6:50 Geometry 5.4c, Review – Solving Compound Inequalities JoAnn's School · 882 views
  68. 68 12:02 Geometry 5.5a, Write an Indirect Proof & 2 Theorems JoAnn's School · 2.2K views
  69. 69 12:11 Geometry 5.5b, Triangle Inequality Theorem JoAnn's School · 2.1K views
  70. 70 15:48 Geometry 5.6a, Hinge Theorem & Converse of the Hinge Theorem JoAnn's School · 5.6K views
  71. 71 5:53 Geometry 5.6b, Simplest Radical Form, Quick Review JoAnn's School · 2.5K views
  72. 72 13:02 Geometry 5.7a, Pythagorean Theorem & Pythagorean Triples JoAnn's School · 1.4K views
  73. 73 5:34 Geometry 5.7b, Justify the Pythagorean Theorem by building 2D figures JoAnn's School · 941 views
  74. 74 5:51 Geometry 5.7c, Converse of the Pythagorean Theorem JoAnn's School · 1.1K views
  75. 75 6:13 Geometry 5.7d, Pythagorean Inequalities Theorem JoAnn's School · 1.5K views
  76. 76 7:32 Geometry 5.8a, 45°-45°-90° Triangle Theorem JoAnn's School · 1.3K views
  77. 77 9:15 Geometry 5.8b, 30°-60°-90° Triangle Theorem JoAnn's School · 1.1K views
  78. 78 5:19 Geometry 5.8c, Graph Irrational Numbers on a number line w/compass JoAnn's School · 3.6K views
  79. 79 8:25 Geometry 6.1a, Identifying & Classifying Polygons JoAnn's School · 2.8K views
  80. 80 5:51 Geometry 6.1b, Polygon Angle Sum Theorem JoAnn's School · 2.1K views
  81. 81 5:09 Geometry 6.1c, Polygon Exterior Angle Sum Theorem JoAnn's School · 4.7K views
  82. 82 5:13 Geometry 6.1d, Relations & Functions JoAnn's School · 1.4K views
  83. 83 9:48 Geometry 6.1e, Construct regular polygons with a compass & straightedge JoAnn's School · 2.7K views
  84. 84 9:13 Geometry 6.2a, 4 Theorems of the Properties of Parallelograms JoAnn's School · 1.6K views
  85. 85 8:34 Geometry 6.2b, Parallelograms in the Coordinate Plane & prove Opposite Angles Congruent JoAnn's School · 1.4K views
  86. 86 10:50 Geometry 6.3a, Conditions for Parallelograms & 5 Theorems JoAnn's School · 1.3K views
  87. 87 6:54 Geometry 6.3b, Proving Parallelograms in the Coordinate Plane JoAnn's School · 2.2K views
  88. 88 4:57 Geometry 6.4a, Properties of Rectangles & 2 Theorems JoAnn's School · 4.3K views
  89. 89 8:21 Geometry 6.4b, Properties of Rhombuses & 3 Theorems JoAnn's School · 3.4K views
  90. 90 9:15 Geometry 6.4c, Properties of Squares & Congruent Perpendicular Bisectors JoAnn's School · 1.2K views
  91. 91 3:34 Geometry 6.4d, Construct a Rhombus with a compass & straightedge JoAnn's School · 18.7K views
  92. 92 7:48 Geometry 6.5a, Conditions for Rectangles & Rhombuses, 5 Theorems JoAnn's School · 922 views
  93. 93 8:33 Geometry 6.5b, Apply & Identify Special Parallelograms in the Coordinate plane JoAnn's School · 1.1K views
  94. 94 15:34 Geometry 6.6a, Properties of Kites & 2 Theorems JoAnn's School · 2.3K views
  95. 95 13:00 Geometry 6.6b, Isosceles Trapezoids & Mid-segment of Trapezoids & 4 Theorems JoAnn's School · 2.4K views
  96. 96 2:55 Geometry 6.6c, Construct a Kite with a compass and straightedge JoAnn's School · 33.9K views
  97. 97 9:57 Geometry 7.1, Ratios in Similar Polygons JoAnn's School · 3.4K views
  98. 98 8:00 Geometry 7.2a, Dilations & Similarity Transformations JoAnn's School · 5.5K views
  99. 99 5:58 Geometry 7.2b, Proving Circles Similar JoAnn's School · 4.6K views
  100. 100 7:31 Geometry 7.3a, AA, SSS, SAS Triangle Similarity JoAnn's School · 2.5K views
  101. 101 7:21 Geometry 7.3b, Proofs with Similar Triangles JoAnn's School · 2.5K views
  102. 102 8:20 Geometry 7.3c, Proving the Pythagorean Theorem using Similar Triangles JoAnn's School · 3.7K views
  103. 103 8:18 Geometry 7.4a, Triangle Proportionality Theorem & its Converse JoAnn's School · 1.3K views
  104. 104 8:14 Geometry 7.4b, Two-Transversal Proportionality Corollary JoAnn's School · 1.7K views
  105. 105 4:51 Geometry 7.4c, Triangle Angle Bisector Theorem JoAnn's School · 1.6K views
  106. 106 7:03 Geometry 7.5a, Indirect Measurement & Scale Drawing JoAnn's School · 1.8K views
  107. 107 7:42 Geometry 7.5b, Proportional Perimeters and Areas Theorem JoAnn's School · 2.2K views
  108. 108 12:04 Geometry 7.6a, Dilations & Similarity in the Coordinate plane JoAnn's School · 2.9K views
  109. 109 4:19 Geometry 7.6b, Segment Partition JoAnn's School · 1.3K views
  110. 110 4:27 Geometry 7.6c, Direct Variation JoAnn's School · 633 views
  111. 111 10:58 Geometry 8.1, Similarity in Right Triangles JoAnn's School · 8.2K views
  112. 112 7:43 Geometry 8.2a, Trigonometric Ratios, introducing Sine, Cosine, Tangent JoAnn's School · 1.8K views
  113. 113 12:00 Geometry 8.2b, Finding & Calculating Trig Ratios, Soh-Cah-Toa JoAnn's School · 3.4K views
  114. 114 7:23 Geometry 8.2c, Calculating Trig Ratios with a Trig Table JoAnn's School · 2.4K views
  115. 115 5:19 Geometry 8.2d, Trigonometric Ratios & Complementary Angles JoAnn's School · 980 views
  116. 116 5:00 Geometry 8.2e, Inverse Functions & Trig Ratios JoAnn's School · 726 views
  117. 117 7:50 Geometry 8.3a, Identify & Calculate Angle Measures from Trig Ratios JoAnn's School · 1.5K views
  118. 118 10:03 Geometry 8.3b, Solving Right Triangles, find 3 sides & 3 angles JoAnn's School · 2.4K views
  119. 119 12:29 Geometry 8.4a, Angle of Elevation & Depression JoAnn's School · 1.3K views
  120. 120 6:12 Geometry 8.4b, Indirect Measurement using a homemade Clinometer & trig ratio JoAnn's School · 4.5K views
  121. 121 2:55 Geometry 8.5a, Find Trig ratios for obtuse angles with a scientific calculator JoAnn's School · 756 views
  122. 122 10:12 Geometry 8.5b, Law of Sines JoAnn's School · 988 views
  123. 123 14:08 Geometry 8.5c, Law of Cosines JoAnn's School · 784 views
  124. 124 10:08 Geometry 8.6a, Vectors, component form, magnitude, direction JoAnn's School · 1K views
  125. 125 12:23 Geometry 8.6b, Equal vectors, parallel vectors, Vector addition, and resultant vectors JoAnn's School · 740 views
  126. 126 9:51 Geometry 9.1a, Reflections & isometry JoAnn's School · 3.1K views
  127. 127 10:25 Geometry 9.1b, The rules for reflections in a coordinate plane JoAnn's School · 2.4K views
  128. 128 7:26 Geometry 9.2a, Identifying Translations JoAnn's School · 811 views
  129. 129 9:01 Geometry 9.2b, Drawing Translations in the coordinate plane JoAnn's School · 752 views
  130. 130 5:06 Geometry 9.2c, Transformations of Functions JoAnn's School · 630 views
  131. 131 9:40 Geometry 9.3a, Identifying Rotations JoAnn's School · 880 views
  132. 132 10:42 Geometry 9.3b, Drawing rotations in the coordinate plane JoAnn's School · 753 views
  133. 133 15:58 Geometry 9.4, Compositions of Transformations and Glide Reflections & 3 theorems JoAnn's School · 4.2K views
  134. 134 15:45 Geometry 9.5a, Lines of Symmetry & Rotational Symmetry JoAnn's School · 4.3K views
  135. 135 5:16 Geometry 9.5b, Solids of Revolution, Cylinder, Cone, Sphere, Torus JoAnn's School · 4.8K views
  136. 136 10:57 Geometry 9.6a, Frieze Patterns and Translation Symmetry JoAnn's School · 10.2K views
  137. 137 8:39 Geometry 9.6b, Tessellations, Regular, Semi-regular, or neither JoAnn's School · 11.4K views
  138. 138 18:02 Geometry 9.7a, Dilations: Identify, Construct, & draw on a coordinate plane JoAnn's School · 1.1K views
  139. 139 9:42 Geometry 9.7b, Order of Right Triangle Transformations JoAnn's School · 1.2K views
  140. 140 9:05 Geometry 9.7c, Translate or Dilate, make solids, 2D pancakes & 3D cakes, Dilate a solid JoAnn's School · 1.2K views
  141. 141 6:33 Geometry 10.1a, Literal Equations JoAnn's School · 813 views
  142. 142 8:17 Geometry 10.1b, Area Addition Postulate & Area of a Parallelogram JoAnn's School · 1.4K views
  143. 143 10:50 Geometry 10.1c, Area of Triangles & Trapezoids JoAnn's School · 3K views
  144. 144 13:28 Geometry 10.1d, Area of Rhombuses & Kites JoAnn's School · 944 views
  145. 145 10:22 Geometry 10.2a, Develop Pi or Construct to estimate Pi π JoAnn's School · 579 views
  146. 146 10:00 Geometry 10.2b, Circumference & Area of a Circle JoAnn's School · 1.2K views
  147. 147 9:19 Geometry 10.2c, Area of Regular Polygons with the Apothem JoAnn's School · 3K views
  148. 148 16:03 Geometry 10.3a, Composite Figures & Area JoAnn's School · 763 views
  149. 149 7:01 Geometry 10.3b, Triangle Area Formulas unknown height, Heron’s Formula JoAnn's School · 727 views
  150. 150 12:12 Geometry 10.4, Perimeter & Area in the Coordinate Plane JoAnn's School · 7.6K views
  151. 151 15:05 Geometry 10.5, Effects of changing Dimensions Proportionally JoAnn's School · 4.2K views
  152. 152 9:07 Geometry 10.6a, Probability JoAnn's School · 712 views
  153. 153 17:36 Geometry 10.6b, Geometric Probability JoAnn's School · 1.1K views
  154. 154 6:47 Geometry 10.6c, Use Geometric Probability to estimate pi JoAnn's School · 1.1K views
  155. 155 8:54 Geometry 11.1a, Three-dimensional figures (and properties of) JoAnn's School · 1.3K views
  156. 156 7:37 Geometry 11.1b, Classify, Identify, Three-dimensional figure from a net JoAnn's School · 956 views
  157. 157 9:22 Geometry 11.1c, Cross sections of Three-dimensional figures JoAnn's School · 2.1K views
  158. 158 13:18 Geometry 11.2a, Volume of Prisms & Cavalieri’s Principle JoAnn's School · 1.6K views
  159. 159 12:53 Geometry 11.2b, Volume of Cylinders & Cavalieri’s Principle JoAnn's School · 1.9K views
  160. 160 11:59 Geometry 11.2c, Finding Volumes of Composite 3D figures JoAnn's School · 695 views
  161. 161 14:58 Geometry 11.3a, Volume of Pyramids JoAnn's School · 765 views
  162. 162 11:50 Geometry 11.3b, Volume of Cones JoAnn's School · 573 views
  163. 163 6:37 Geometry 11.3c, Cube roots JoAnn's School · 587 views
  164. 164 9:26 Geometry 11.4a, Volume of a Sphere or Hemisphere JoAnn's School · 660 views
  165. 165 13:41 Geometry 11.4b, Surface Area of a Sphere JoAnn's School · 571 views
  166. 166 5:32 Geometry 12.1a, Introducing Chord, Secant, Tangent, lines that intersect circles JoAnn's School · 2.3K views
  167. 167 11:30 Geometry 12.1b, Congruent, Concentric, and Tangent Circles, & 3 Theorems JoAnn's School · 2K views
  168. 168 2:59 Geometry 12.1c, Construct a tangent to a circle at a point JoAnn's School · 731 views
  169. 169 4:33 Geometry 12.1d, Make a Circle Graph from data JoAnn's School · 1.6K views
  170. 170 9:15 Geometry 12.2a, Major Arc, Minor Arc, Arc Addition Postulate JoAnn's School · 3.6K views
  171. 171 13:57 Geometry 12.2b, Congruent angles, arc, chords, & 3 Theorems JoAnn's School · 4.3K views
  172. 172 6:55 Geometry 12.3a, Sector of a circle & Sector area JoAnn's School · 994 views
  173. 173 7:16 Geometry 12.3b, Area of a Segment of a circle JoAnn's School · 4.8K views
  174. 174 6:49 Geometry 12.3c, Arc length of a Circle JoAnn's School · 787 views
  175. 175 12:55 Geometry 12.3d, Introducing Radians & convert degrees and radians JoAnn's School · 693 views
  176. 176 14:01 Geometry 12.4a, Inscribed angle, intercepted arc, subtends JoAnn's School · 1.7K views
  177. 177 9:31 Geometry 12.4b, Inscribed Triangle, Inscribed Quadrilateral, & two theorems JoAnn's School · 5K views
  178. 178 4:34 Geometry 12.4c, Construct the Center of a circle w/compass & straightedge JoAnn's School · 1.1K views
  179. 179 3:58 Geometry 12.4d, Construct tangent to a circle from an exterior point JoAnn's School · 1.2K views
  180. 180 11:28 Geometry 12.5a, Find measures using Tangents and Secants, & 3 Theorems JoAnn's School · 4.7K views
  181. 181 8:38 Geometry 12.5b, Angle relationships in circles JoAnn's School · 1.7K views
  182. 182 4:58 Geometry 12.6a, Chord-Chord Product Theorem JoAnn's School · 4.2K views
  183. 183 5:23 Geometry 12.6b, Secant-Secant Product Theorem JoAnn's School · 4.9K views
  184. 184 6:08 Geometry 12.6c, Secant-Tangent Product Theorem JoAnn's School · 1.8K views
  185. 185 8:47 Geometry 12.7, Circles in the Coordinate plane & Equation of a Circle JoAnn's School · 937 views
  186. 186 5:15 Geometry 13.1a, Fundamental Counting Principle JoAnn's School · 1.4K views
  187. 187 11:37 Geometry 13.1b, Introducing Permutations & Factorials JoAnn's School · 1.9K views
  188. 188 8:51 Geometry 13.1c, Combinations of a set JoAnn's School · 770 views
  189. 189 5:27 Geometry 13.1d, Relative Area JoAnn's School · 575 views
  190. 190 12:29 Geometry 13.2a, Theoretical Probability & Complement of an event JoAnn's School · 863 views
  191. 191 17:19 Geometry 13.2b, Geometric Probability & Experimental Probability JoAnn's School · 790 views
  192. 192 7:30 Geometry 13.3a, Probability of Independent Events JoAnn's School · 984 views
  193. 193 10:38 Geometry 13.3b, Probability of Dependent Events & Conditional Probability JoAnn's School · 1K views
  194. 194 14:07 Geometry 13.3c, Use a table to find Conditional Probability P(A and B) JoAnn's School · 698 views
  195. 195 6:51 Geometry 13.3d, Determine if events are Independent or Dependent JoAnn's School · 581 views
  196. 196 6:40 Geometry 13.4a, Joint relative frequency & Marginal relative frequency in two-way tables JoAnn's School · 12.6K views
  197. 197 11:14 Geometry 13.4b, Conditional Relative Frequency & Two-Way tables JoAnn's School · 1.6K views
  198. 198 7:06 Geometry 13.5a, Simple event, Compound event, Mutually exclusive events JoAnn's School · 2.1K views
  199. 199 14:27 Geometry 13.5b, Probability of Inclusive Events JoAnn's School · 1.8K views