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8th Grade Math Standards (Prior)

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8th Grade Geometry Skills
Prior Standards Implementation



The standards listed below have been replaced by a newer set of standards.



Please go to Current 8th Grade Math Standards for current resources.



Geometry

Classify types of two- and three-dimensional objects using their defining properties.
8.3.1
G
  1. Congruent Plane Figures - draw lines of symmetry to make congruent figures This site is interactive and allows students to play a game or input or collect data
  2. Creating Polygons - investigating the Concept of Triangle and the Properties of Polygons ( from NCTM ) A lesson plan can be found at this site
  3. Identify Polygons - names of polygons by number of sides and angles - instruction and review, practice, and a quiz This site is interactive and allows students to play a game or input or collect data & This site includes questions for your students to check their understanding
  4. Making Triangles - investigating the Concept of Triangle and the Properties of Polygons ( from NCTM ) This site is interactive and allows students to play a game or input or collect data A lesson plan can be found at this site
  5. Name that Polygon - identify name of given polygon components - instruction and review, practice, and a quiz This site is interactive and allows students to play a game or input or collect data & This site includes questions for your students to check their understanding
  6. Polygon Playground - arrange designs with online movable polygons - hundreds of polygons to drag anywhere you want This site is interactive and allows students to play a game or input or collect data
  7. Triangle Identification - type of triangle, given its angles - instruction and review, practice, and a quiz This site is interactive and allows students to play a game or input or collect data & This site includes questions for your students to check their understanding
Identify relationships among the angles (i.e., complementary, supplementary, interior, exterior, vertical, and corresponding).
8.3.3
G
  1. Complementary Angles - Match the angles that are complementary. (a Quia game available in Matching, Flashcards, and Concentration format) This site is interactive and allows students to play a game or input or collect data
  2. Geometric Terms - this Quia quiz contains four activities - matching, flash cards, concentration, and a word search puzzle - which reinforce students vocabulary concerning angles. This site is interactive and allows students to play a game or input or collect data
  3. Introduction to Angles - Basic terms related to the classification of angles (a Quia game available in Matching, Flashcards, Word Search, and Concentration format) This site is interactive and allows students to play a game or input or collect data
  4. Types of angles and pairs of angles - good illustrations
  5. Working with Angles - Answer the questions which deal with angles This site includes questions for your students to check their understanding
Recognize similar geometric figures.
8.3.4
G
  1. Sam's Similar Shapes - learn about shapes that are different sizes but the same shape. This site is interactive and allows students to play a game or input or collect data
Determine the measure of an angle of a triangle given the measures of the other two angles.
8.3.5
G
  1. Angles in a Triangle - interactive applet with several examples This site is interactive and allows students to play a game or input or collect data
  2. Finding the Third Angle of a Triangle - instruction, practice problems and a game This site is interactive and allows students to play a game or input or collect data
  3. Oblique Triangles - from Dave's Short Trig Course
  4. Right Triangle Calculator - choose the known side then click on the calculate button This site is interactive and allows students to play a game or input or collect data
  5. Right Triangles - from Dave's Short Trig Course
  6. Sum of Angles in a Triangle - students can explore this concept by moving the vertices of the triangle with pressed mouse button This site is interactive and allows students to play a game or input or collect data
  7. Triangle Calculator - four different calculators This site is interactive and allows students to play a game or input or collect data
  8. Triangle Calculator - enter values three of the six sides and angles of the triangle and the other three values will be computed This site is interactive and allows students to play a game or input or collect data
Apply relationships among the angles and side lengths of similar geometric figures.
8.3.6
G
  1. A Mathematical Droodle - Two Triples of Similar Triangles This site is interactive and allows students to play a game or input or collect data
  2. Compass and Straightedge Construction of Similar Triangles - lesson plan from PlanetMath A lesson plan can be found at this site
  3. Congruent Triangles - an interactive applet This site is interactive and allows students to play a game or input or collect data
  4. Math Open Reference: Similar Triangles - interactive triangle lesson This site is interactive and allows students to play a game or input or collect data
  5. Proof Using Similar Triangles - four examples to print and use in your classroom MS Word document This link includes something for the teacher to print
  6. Proportionality in Similar Triangles: A Cross-Cultural Comparison - a lesson plan from Convergence: a magazine of the Mathematical Association of America A lesson plan can be found at this site
  7. Ratio and Proportions: Similar Figures - a four part lesson including problems to work This site is interactive and allows students to play a game or input or collect data
  8. Similar Polygons - from Math for Morons Like Us
  9. A PowerPoint show related to this standard Similar Triangles - a 23 slide PowerPoint show which includes scaling factors
  10. A PowerPoint show related to this standard Similar Triangles II - a 14 slide PowerPoint show
  11. Similar Triangles - explanation of the concept
  12. Similar Triangles - a You Tube video from Mr. Vann A video is available through this link
  13. Similar Triangles - includes the AA rule and the RAR rule plus two videos A video is available through this link
  14. Similar Triangles and the Pythagorean theorem - from Dave's Short Trig Course
  15. Similar Triangles Lesson - from Oswego City School District Regents Exam Prep Center
  16. Similarity (geometry) - from Wikipedia
  17. Strategies for Dealing with Similar Triangles - from Oswego City School District Regents Exam Prep Center
  18. Three Similar Triangles - a math droodle This site is interactive and allows students to play a game or input or collect data
  19. Virtual Manipulative - Similar Triangles This site is interactive and allows students to play a game or input or collect data
Apply spatial reasoning and visualization to solve real-world problems.
8.3.7
R
  1. 3-D Object Viewer - Students may explore a variety of 3-D objects and their accompanying 2-D views.
  2. Building Houses with Side View - student constructs a block figure (dynamic, perspective drawing) to match (10 different figures) This site is interactive and allows students to play a game or input or collect data
  3. Coloring 3-D sides - [ UK spelling on this site ] Find the red sides shown in a series of 2-D drawings and click on the right face of the 3-D model to color it red. 20 questions This site is interactive and allows students to play a game or input or collect data
  4. Coloring 2-D sides - Use the colored portion of the 3-D object to color the correct side of the 2-D drawing. This site is interactive and allows students to play a game or input or collect data
  5. Cube - Find out which colors will be on opposite faces of a cube whose faces are shown unfolded.
  6. Guess the View - Students are given a 3-D view of an object, and then given a 2-D view of the object. Students must choose which of 6 views is being displayed from a list. This site includes questions for your students to check their understanding
  7. Plot Plans and Silhouettes - from Shape and Space in Geometry - the student task is to come up with plot plans that could match the given silhouettes. Background information is available at another page . This site is interactive and allows students to play a game or input or collect data
  8. Quick Images - In the following Interactive Activity, you'll stretch both your visualization and drawing muscles. (click on Show Shape to begin the activity)
  9. Rotating Houses - Students are presented with a 3-D figure created with blocks that can be rotated and flipped using a mouse. The figure must be rotated until it matches a 2-D representation of one of the views. This site is interactive and allows students to play a game or input or collect data
Apply geometric ideas and relationships in areas outside the mathematics classroom (i.e., art, science, and everyday life).
8.3.8
R
  1. Art, Geometry, and Abstract Sculpture - Computer Graphics, Art, Math, Geometry, and Abstract Sculpture are closely related.
  2. Art & Geometry -
  3. A resource for the teacher to use in planning their lessons Geometry in Art and Architecture - many topics covered
  4. Geometry Through Art - What children can learn about art and geometry
Solve problems using angle relationships (i.e., complementary, supplementary, interior, exterior, vertical, and corresponding).
8.3.9
G
  1. Angles - practice knowledge of acute, obtuse and alternate angles. This site is interactive and allows students to play a game or input or collect data
  2. Classifying Angles - online quiz This site includes questions for your students to check their understanding
  3. Measuring Angles - online quiz with virtual protractor This site is interactive and allows students to play a game or input or collect data
  4. Protractor - learn how to position and read a protractor in order to measure an angle, and how to use either scale on the protractor This site is interactive and allows students to play a game or input or collect data
  5. Pythagorean Theorem - online quiz This site includes questions for your students to check their understanding
  6. Pythagorean Explorer - Students find the length of a side of a right triangle by using the Pythagorean Theorem, and then check their answers. This site is interactive and allows students to play a game or input or collect data
  7. Squaring the Triangle - Students learn about how the Pythagorean Theorem works, through investigating the standard geometric proof. Parameters: Sizes of the legs of the triangle. This site is interactive and allows students to play a game or input or collect data
  8. Triangle Explorer - Students learn about areas of triangles and about the Cartesian coordinate system through experimenting with triangles drawn on a grid. This site is interactive and allows students to play a game or input or collect data
National Library of Virtual Manipulatives
  1. Geometry (Grades 6-8) This site is interactive and allows students to play a game or input or collect data

Review Help

Practice Tests!
  1. Virginia State Standards of Learning - Select Math 8 , and then select 10, 20, or 40 questions. This site includes questions for your students to check their understanding
ISAT
  1. Interactive Sample Tests - released sample items from the Illinois State Board of Education This site includes questions for your students to check their understanding
Released Tests & others
  1. Eighth Grade Math - Read each question and choose the best answer. Then mark the circle next to the letter for the answer you have chosen. ( from Texas ) This site includes questions for your students to check their understanding
  2. FCAT Sample Test Book - [ 2008 ] sample questions and test taking tips An Adobe Acrobat document in .pdf format This link includes something for the teacher to print
  3. FCAT Sample Answer Book - [ 2008 ] sample questions and test taking tips An Adobe Acrobat document in .pdf format This link includes something for the teacher to print
  4. TAKS 2006 Test - four subjects - math on pages 5-29 An Adobe Acrobat document in .pdf format This link includes something for the teacher to print
  5. Texas end-of-year Math test 2003 This site includes questions for your students to check their understanding
Various Review Aids
  1. A PowerPoint show related to this standard Geometry Jeopardy - Topics covered: Polygons & Transformations, Circles, Symmetry, Lines & Angles, and Triangles & Congruency
  2. Illuminations - interactives for grades 6-8 This site is interactive and allows students to play a game or input or collect data
  3. Junior High Math Interactives - includes interactive math activities, print activities, learning strategies, and videos that illustrate how math is used in everyday life.
  4. A video is available through this link Math TV: Video Word Problems - [ Grades 5+ ] Math TV is a project whose goal is to help middle school students learn how to solve challenging word problems. Each of the nineteen math problems comes with step by step video solution, follow up problems, an online calculator, and sketch pad.
A resource for the teacher to use in planning their lessons site for teachers | A PowerPoint show related to this standard PowerPoint show | An Adobe Acrobat document in .pdf format Acrobat document | A Microsoft Word document to be downloaded Word document | This interactive site would work well on an interactive whiteboard whiteboard resource | This resource includes voice instructions for students sound | A video is available through this link video format | This site is interactive and allows students to play a game or input or collect data interactive lesson | This site includes questions for your students to check their understanding a quiz | A lesson plan can be found at this site lesson plan | This link includes something for the teacher to print to print

Internet4classrooms is a collaborative effort by Susan Brooks and Bill Byles.
 

  

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