Before: Show
1. As the students enter the room, the teacher will have the bell ringer displayed on the interactive whiteboard, “How can you prove that a triangle has 180 degrees?” 2. After a couple of minutes, the teacher will ask some of the students to respond to the question. 3. The teacher will poll the class to see how many students agree with the given suggestions. During: 4. The teacher will ask the students to get into groups of three. 5. The teacher will give students a sheet of copy paper. Each group will receive a pair of scissors and three colored pencils or crayons. 6. With a ruler, the students will be instructed to draw a triangle. The group will decide who will draw an acute, obtuse, and right triangle. The students will cut out their triangles. 7. The teacher will instruct the students to color the angles of the triangle with different colors. 8. The student will cut off just the angles. 9. With a sheet of notebook paper, the teacher will instruct the students to place the angles with the point on the blue line. The angles should line up on the line. 10. The teacher will ask the question, “A line has what degree measure?” The response should be 180 degrees. 11. The teacher will elaborate that the angles are along the line, thus the angles together are 180 degrees. 12. The teacher will ask the groups to discuss, “What happens when the triangles are acute, obtuse or right?” The response is that all types of triangles will be 180 degrees. 13. The teacher will use the video on Youtube to review triangles and parallel lines. https://www.youtube.com/watch?v=bBt6IPkZd-8 14. The teacher will hand out the worksheet, "Exterior Angles", from the attachments. 15. The teacher will monitor the students and check with each group to answer any questions. This is the informal assessment. 16. After completion of the worksheet, the students will move out of the groups. 17. The teacher will assign one student from each group to turn in the scissors and colored pencils or crayons. 18. Students will work independently on the worksheet for the formal assessment. The worksheet comes from the website Math Aids. http://www.math-aids.com/Geometry/Triangle/Triangle_Exterior_Angle_Theorem.html After: The students will complete an Exit Slip called 3-2-1. They will write the answers on the back of the worksheet. The teacher will write the following on the interactive whiteboard: 3 – List three things that you have learned today. 2 – List two things that you would like to know more about. 1 – Write a question from the material that you did not understand. No upcoming assignments. Due: Sunday, May 20AssignmentDue: Thursday, May 17
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Due: Monday, March 26AssignmentDue: Friday, March 23AssignmentSimilar Triangle Sort *Mini Quiz tomorrow! (Interior Angles, Exterior Angles, Similar Triangles) Due: Thursday, March 22AssignmentDue: Wednesday, March 21
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AssignmentDue: Sunday, December 3AssignmentDue: Friday, December 1Assignmentfinish Puzzle 4.1 *5 question mini quiz tomorrow! Due: Thursday, November 30Assignmentworksheet 125 bring in graph paper and a ruler Due: Wednesday, November 29AssignmentDue: Tuesday, November 28AssignmentDue: Sunday, November 19AssignmentDue: Monday, November 13AssignmentStudy for Unit Test! *You can use the Study Guide and complete practice problems from p.4-25 in the text book. Due: Sunday, November 12AssignmentDue: Friday, November 10AssignmentWord Problems with Consecutive Integers Worksheet 1 Due: Thursday, November 9AssignmentDue: Tuesday, November 7AssignmentSolving Equations Word Problems Due: Sunday, November 5AssignmentDue: Friday, November 3AssignmentWriting Equations Practice Due: Thursday, November 2AssignmentEquations with Variables on Both Sides Practice Due: Wednesday, November 1AssignmentSolving Multi-Step Equations Extra Practice worksheet Due: Monday, October 30AssignmentDue: Sunday, October 29AssignmentALEKS -- 10 topics due at 11:59pm *Please email me if you complete a knowledge check: [email protected] Due: Friday, October 27AssignmentSolving Multi-Step Equations Practice Due: Wednesday, October 25AssignmentSolving Equations Worksheet Due: Sunday, October 22AssignmentDue: Thursday, October 19AssignmentUnit 1 Test Study Guide Unit 1 Test! Due: Tuesday, October 17AssignmentTwo-Step Equation Maze Translate and Solve Due: Monday, October 16AssignmentHomework 11: Solving & Graphing Inequalities Due: Sunday, October 15AssignmentDue: Thursday, October 12AssignmentHomework 10: One & Two-Step Equations Due: Sunday, October 8AssignmentDue: Friday, October 6AssignmentStudy for Friday's Quiz: 10 questions on Combining Like Terms & Distributive Property 3 questions on Translating Expressions 3 questions on Translating Equations 4 questions on Translating Inequalities 4 review questions **Cumulative Test next week! Due: Monday, October 2AssignmentHomework 7: Combining Like Terms Due: Sunday, October 1AssignmentALEKS -- 10 topics due by 11:59pm Due: Friday, September 29AssignmentQuiz today on: Order of Operations, Matrices, & Evaluating Expressions Due: Thursday, September 28AssignmentDue: Tuesday, September 26Assignmentfinish notes practice Homework 5: Evaluating Expressions (worksheet) Due: Sunday, September 24AssignmentDue: Friday, September 22Assignment
Due: Wednesday, September 20AssignmentHomework 3: Quiz 1 Review Quiz today! Due: Wednesday, September 20AssignmentQuiz Wednesday on Properties & Real Numbers..... study your review assignment Due: Tuesday, September 19AssignmentHomework 1: The Real Numbers Due: Monday, September 18AssignmentQuiz 1 Correct & Return Due Due: Friday, September 15AssignmentComplete "The Real Number System" handout Due: Wednesday, September 13AssignmentAlgebraic Properties worksheet (HW2) Due: Monday, September 11AssignmentLesson 1.1: workbook p.6 *You must show how to "check" the problem! What is the sum of interior angles of a triangle answer?Angles in a triangle sum to 180° proof.
What are the 3 interior angles of a triangle?The interior angles of a triangle are the three angles on the inside of a triangle. These three angles always sum to 180 degrees.
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Interior angles of triangles solve and color answer key
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