Monday, October 21 2019
Geometry Power Standards Resources
SPI 3108.1.4 Use definitions, basic postulates, and theorems about points, lines, angles, and planes to write/complete proofs and/or to solve problems.
Interactive: Parallel Lines
Interactive: Angles and Triangles
Interactive: Lines and Planes
Interactive: Conditional, Converse, Inverse, and Biconditional Statements
SPI 3108.3.2 Use coordinate geometry to prove characteristics of polygonal figures.
Interactive Lesson: Slope
Interactive Lesson: Distance Formula
Interactive Lesson: Midpoint Formula
SPI 3108.4.2 Define, identify, describe, and/or model plane figures using appropriate mathematical symbols (including collinear and non-collinear points, lines, segments, rays, angles, triangles, quadrilaterals, and other polygons).
Interactive Lesson: Locus
Game: Geometry Review Bingo
Game: GeoCaching Review Game
Interactive Lessons: Quadrilaterals
Interactive: Quadrilaterals (Mulitple Lessons)
Interactive: Polygons (Multiple Lessons)
SPI 3108.4.7 Compute the area and/or perimeter of triangles, quadrilaterals and other polygons when one or more additional steps are required (e.g. find missing dimensions given area or perimeter of the figure, using trigonometry).
Interactive: Area and Perimeter Explorer
Interactive Lesson: Area of Hexagon
Interactive Lesson: Area of Octagon
Interactive Lesson: Area of Pentagon
SPI 3108.4.8 Solve problems involving area, circumference, area of a sector, and/or arclength of a circle.
Interactive: Area of a Circle
Interactive: Area of Sectors
Interactive Lesson: Arc Length and other Circle Lessons
SPI 3108.4.9 Use right triangle trigonometry and cross-sections to solve problems involving surface areas and/or volumes of solids.
Interactive Lesson: Surface Area and Volume
Interactive: Surface Area and Volume
Interactive Lessons: Surface Area and Volume (Multiple Activities)
SPI 3108.4.12 Solve problems involving congruence, similarity, proportional reasoning and/or scale factor of two similar figures or solids.
Interactive: Proofs of Congruent Triangles
Interactive: Proportionality (Multiple Lessons)
Video Lesson: Proving Triangles Congruent Using SSS,SAS,AAS,ASA
Examples: Dimensional Analysis Problems
Video Lessons: Volume
Video: Dimensional Analysis (scroll down)
SPI 3108.4.14 Use properties of right triangles to solve problems (such as involving the relationship formed when the altitude to the hypotenuse of a right triangle is drawn).
Interactive: Altitude of a Right Triangle
Interactive: Special Triangle Segments
SPI 3108.4.15 Determine and use the appropriate trigonometric ratio for a right triangle to solve a contextual problem.
Interactive Applet: Trig Ratios
Quiz Applet: Trig Countdown
Interactive Lesson: Triangles and Waves
Geometry Test (Free)
Geometry Facts Flash Cards (($.99)
Khan Academy - Geometry (Free)
Geometry ++ 2D Edition ($.99)
Geometry ++ 3D Edition ($.99)
Tangram Puzzle Pro ($.99)
Pattern Blocks ($.99)
Graphing Calculator ($1.99)
ACT Math Test Practice ($3.99)