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# 7th Grade Geometry Skills Prior Standards Implementation

## Geometry

Identify the results of transformations of two-dimensional figures (i.e., turns/rotations, flips/reflections, slides/translations).
7.3.1
G
1. Cube - Find out which colors will be on opposite faces of a cube whose faces are shown unfolded.
2. Flip, Slide, or Turn - six flash movies allow you to watch the path an object takes while it is being transformed
3. Flips, Slides, and Turns - a manipulative which allows you to view the effect of applying reflection, translation, and rotation transformations
4. Mathsnet Transformations - interactive site. a collection of approaches to this topic to offer you a choice. All require Java and a recent browser.
5. Motion in Geometry - a 127 slide PowerPoint show
6. Sam's Similar Shapes - Students learn about shapes that are different sizes but the same shape.
7. Spy Guys Interactive - Slides and Flips - Lesson 17
8. Transformations - [ designed for 7th grade ] how to identify, describe, perform, and analyze transformations involving translations, reflections, and rotations
9. Transformations - [ designed for 7th grade ] a 21 slide PowerPoint show produced by Holt, Rinehart and Winston
10. Transformations - a Flash movie which demonstrates flips, slides, and turns
Classify triangles by angle, size, and length of sides.
7.3.2
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1. Angles - practice with acute, obtuse and alternate angles
2. Classifying Angles - online quiz
3. Equilateral, Isosceles, and Scalene Triangles - choose the most restrictive term
4. Pythagorean Explorer - Students find the length of a side of a right triangle by using the Pythagorean Theorem, and then check their answers.
5. The Pythagorean Theorem - online quiz
6. Spy Guys Interactive - Working with Angles - Lesson 16
7. Squaring the Triangle - learn about how the Pythagorean Theorem works, through investigating the standard geometric proof. Parameters: Sizes of the legs of the triangle.
8. Triangle Explorer - learn about areas of triangles and about the Cartesian coordinate system through experimenting with triangles drawn on a grid.
9. Triangle Identification - identify the triangle given its angles - instruction and review, practice, and a quiz &
10. Triangle Identification - identify the triangle given its number of sides - instruction and review, practice, and a quiz &
11. Triangles Side-By-Side - Students use geometric vocabulary to describe properties of triangles.
Determine congruence of line segments, angles, and polygons.
7.3.3
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1. Congruent Triangles - The most popular congruent figures are triangles!
2. Creating Congruent Triangles - Materials: rulers and protractors
3. Definition of Congruence - Objects that are exactly the same size and shape are said to be congruent.
4. More Practice with Congruences - Answer the following questions dealing with congruent figures.
5. Pete's Polygons - Students learn about closed figures called polygons.
6. Polygon Playground - arrange designs with online movable polygons - hundreds of polygons to drag anywhere you want
7. Practice with Congruence - answer questions dealing with congruent figure
8. Protractor - learn how to position and read a protractor in order to measure an angle, and how to use either scale on the protractor
Classify polygons by properties.
7.3.4
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1. Identify Polygons - Names of polygons by number of sides and angles - instruction and review, practice, and a quiz &
2. Name that Polygon - Identify name of given polygon components - instruction and review, practice, and a quiz &
3. Patterns for Solid Figures - Complete to make a cube figure
4. Shape Explorer - Students are shown shapes on a grid and asked to calculate areas and perimeters of the shapes.
5. Interactive Shapes - A wide range of mathematics is covered, including all four key stages, from polygons to circle theorems.
Use ordered pairs to describe given points in a coordinate system.
7.3.5
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1. Catch the Fly - [all 4 quadrants are used] Use the keyboard to enter the x and y values of an ordered pair to help the fly catch a bug. No score is kept, each question is essentially a one question game.
2. Coordinate Plane Practice - students type ordered pairs in the blocks on this interactive PowerPoint show
3. Create a Haunted House...if you dare! - Follow directions to sharpen your graphing skills, create a cool haunted house and then morph it using math. Expressions, Equation Solving and Graphing in the Coordinate Plane - The Haunted house and many more coordinate plane practice problems
4. General Coordinates Game - Students investigate the Cartesian coordinate system through identifying the coordinates of points, or requesting that a particular point be plotted.
5. Graphing Applet - interactive site which identifies the ordered pairs of points students click on - Advanced version of the same applet
6. Graphing Ordered Pairs - Make up any ordered pair of the form (x, y). Write it on paper. Use the mouse arrow and click the point on the coordinate graph below.
7. Grid Graph - Students identify and plot points on a grid. [ Quadrant 1 only ]
8. Maze Game - Students use their knowledge of points on a graph to move a robot to the target, while avoiding mines.
9. Ordered Pairs - linear equations
10. Simple Coordinates Game - Students investigate the first quadrant of the Cartesian coordinate system through identifying the coordinates of points, or requesting that a particular point be plotted.
11. Simple Maze Game - Students investigate the first Quadrant of the Cartesian coordinate system by directing a robot through a mine field laid out on the plane.
12. Simple Plot - enter ordered pairs then generate a graph
13. Spy Guys Interactive - Using Ordered Pairs - Lesson 18
14. Stock the Shelves - You are the clerk. Stock the shelves using a special coordinate plane.
15. Worksheet Generator - Print your own blank coordinate plane worksheets, you determine the number of grids on a sheet and whether the grids are numbered or not.
Determine the measure of an angle of a triangle, given the measures of the other two angles.
7.3.6
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1. Sum of Angles in a Triangle - students can explore this concept by moving the vertices of the triangle with pressed mouse button
Apply spatial reasoning and visualization to solve real-world problems.
7.3.7
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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)
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
4. Coloring 2-D sides - Use the colored portion of the 3-D object to color the correct side of the 2-D drawing.
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.
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 .
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.
National Library of Virtual Manipulatives

## Review Help

Released Test & Others
1. Seventh 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 )
2. FCAT Sample Test Book - [ 2008 ] sample questions and test taking tips
3. FCAT Sample Answer Book - [ 2008 ] sample questions and test taking tips
4. Texas end-of-year Math test 2003
FCAT Sample Test Book
1. The FCAT Sample Test Books are designed to help students become familiar with FCAT (Florida) by providing helpful hints and offering practice answering questions in different formats. Half of this document is math and half is reading.
Various Review Aids
1. Geometry Jeopardy - Topics covered: Polygons & Transformations, Circles, Symmetry, Lines & Angles, and Triangles & Congruency
2. Junior High Math Interactives - includes interactive math activities, print activities, learning strategies, and videos that illustrate how math is used in everyday life.
3. 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.
 site for teachers | PowerPoint show | Acrobat document | Word document | whiteboard resource | sound | video format | interactive lesson | a quiz | lesson plan | to print

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