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# CCSS.Math.Content.6.G.A.1 - Find the area of right triangles, other triangles, special quadrilaterals, and polygons by composing into rectangles or decomposing into triangles and other shapes; apply these techniques in the context of solving real-world and mathematical problems.

Authors: National Governors Association Center for Best Practices, Council of Chief State School Officers

Title: CCSS.Math.Content.6.G.A.1 Find The Area Of Right Triangles, Other Triangles,... Geometry - 6th Grade Mathematics Common Core State Standards

Publisher: National Governors Association Center for Best Practices, Council of Chief State School Officers, Washington D.C.

(Page last edited 10/08/2017)

1. Angle Classification: Acute, Right, Obtuse - Explanation and questions to answer
2. Angle Game - Shoot alien spaceship that matches the angle stated.
3. Angles - Students practice their knowledge of acute, obtuse and alternate angles.
4. Area of a Rectangle: Intermediate Level - Worksheet, answers on page 2
5. Area of a Right Triangle - Worksheet, answers on page 2
6. Area of a Triangle - Several ways to compute the area of a triangle
7. Area of a Triangle - Interactive lesson plan from Illuminations
8. Area of a Triangle - Explanation, examples and practice exercises to check student understanding
9. Area of a Triangle - Drag the orange dots on each vertex to reshape the triangle. The formula shown will recalculate the area using this method. Several ways to calculate triangle area are listed.
10. Area of a Triangle - Three page lesson, practice questions are found on page 3
11. Area of an Irregular Rectangle - Calculate the area of each figure given
12. Area of Complex Figures - Self check, multiple-choice quiz
13. Area of Parallelograms - Self check, multiple-choice quiz
14. Area of Parallelograms and Trapezoids - Multiple-choice quiz from IXL math
15. Area of Parallelograms, Triangles, and Trapezoids - Chapter test, multiple-choice quiz
16. Area of Parallelograms, Triangles, and Trapezoids - Self check, multiple-choice quiz
17. Area of Plane Shapes - Several plane shapes are listed with the formula for calculating their area, at the end of the page you will find links to ten questions to check student understanding
18. Area of Rectangles and Triangles - Worksheet, answers on page 2
19. Area of Rectangles and Triangles: Advanced - Worksheet, answers on page 2
20. Area of Squares and Rectangles - Multiple-choice quiz from IXL math
21. Area of Triangles - Self check, multiple-choice quiz
22. Area of Triangles - Multiple-choice quiz from IXL math
23. Area of Triangles - How to find areas of triangles
24. Area of Triangles and Trapezoids - Self check, multiple-choice quiz
25. Areas and Squares - Five multiple-choice questions
26. Baseball Geometry - Area of a triangle game from Knowledge Box, you get baseballs to swing at for getting a correct answer
27. Basic Geometric Figures - A TAKS worksheet to print and use in class [from the Wayback Machine Internet Archive.]
28. Calculating the Area of a Triangle - Explanation, examples, practice exercises, and a quiz designed as a game
29. Classifying Angles - Multiple-choice quiz [5 questions]
30. Construction of Bicentric Quadrilateral - A mathematical droodle
31. Equilateral, Isosceles, and Scalene Triangles - Choose the most restrictive term
32. Geometric Shape Flashcards - Quiz, select the correct answer from a pull down menu
33. Geometry Building Blocks: Classifying Angles - Quiz
34. Geometry Building Blocks: Classifying Angles - Examples
35. Geometry Building Blocks: Classifying Angles - Explanation and drawings
36. How Do We Measure Angles? - Six page worksheet with explanations and exercises to print and use in class
37. How Do You Find the Area of a Triangle - Math video answering the question
38. Interactive Quadrilateral - Become familiar with all angles of quadrilaterals in this interactive game.
39. Measuring Angles - Use a virtual protractor
40. Measuring Angles - Practice lining up and reading a protractor while you measure a set of angles in a fun learning activity
41. Measuring Angles with a Virtual Protractor - Ten online activities investigating angles. Use this virtual protractor to measure angles you create yourself.
42. Measuring Area and Volume - Chapter test, multiple-choice quiz
43. Names of Angles - Definition and drawings of each type
44. Polygons - Introductory lesson from Math is Fun
45. Practice With Quadrilaterals - A twelve question quiz with drawings
47. Quadrilateral Family - From regents prep
48. Quadrilateral Matching - Concentration style quiz
49. Quadrilateral Quest - Interactive lesson, drag and drop activity
50. Quadrilateral Sorter - Click on a shape to find out about it
52. Quadrilaterals - A wikipedia entry with a large number of drawings
54. Quadrilaterals Quiz - Six multiple choice questions
55. Right, Acute, and Obtuse Angles - Figures are shown, decide which is the proper angle
56. Right, Acute, and Obtuse Angles - Sort angles into appropriate containers
57. Shapes: Quadrilaterals - Explanation and questions to show understanding
58. Squaring the Triangle - Learn about how the Pythagorean Theorem works, through investigating the standard geometric proof. Parameters: Sizes of the legs of the triangle.
59. Triangle Calculator - Enter values three of the six sides and angles of the triangle and the other three values will be computed. The number of significant values entered will determine the number of significant figures in the results.
60. Triangle Explorer - An applet which allows students to study the nature of triangles and their area
61. Triangle Explorer - Students learn about areas of triangles and about the Cartesian coordinate system through experimenting with triangles drawn on a grid.
62. Triangle Identification - Identify the triangle given its number of sides - instruction and review, practice, and a quiz
63. Triangle Identification - Type of triangle, given its angles - instruction and review, practice, and a quiz
64. Triangles Side-By-Side - Use geometric vocabulary to describe properties of triangles
65. Types of Angles - Definitions, and drawings of each type
66. What's My Quadrilateral - Three different teaching ideas
67. Working with Angles - Spy Guys Interactive Lesson 16- Online lesson along with activities and practice for this topic.

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