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December 7 & 8

December 7 & 8. Geometry. Bellringer (reteaching) 10 minutes. Solve the following equations: 15b - 10 = 50 7x + 3 = 2x + 8 -11a = 66. Quiz Review.

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December 7 & 8

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  1. December 7 & 8 Geometry

  2. Bellringer (reteaching)10 minutes Solve the following equations: • 15b - 10 = 50 • 7x + 3 = 2x + 8 • -11a = 66

  3. Quiz Review 20 minutes to go over quiz. You will participate in an activity in which they will calculate the frequency of the most missed question. You will use this data to understand what areas as a class we need to improve and re-teach.

  4. Cooperative notes Students will work in pairs to complete graphic organizer/notes on angle relationships. (30 minutes).

  5. F E Student Parking 1 Science Lab D 2 3 5 H C GE K Office 8 4 6 B Gymnasium 9 10 7 J A • Lesson 1-4 • Use the map of a high school shown. • a. Name all angles that have K as a vertex. • 8, 6, HKJ, and JKC • b. Name the sides of 6. • KJ and KC or KJ and KG • c. What is another name for AJK? • 9, J, and KJA • d. Name a point in the interior of ECG. • Point F.

  6. D M B G A H F J • Example 3 Measure and Classify Angles • In the figure, ABDFHG. If mABD = 3x + 6 and • mFHG = x + 26, find the measures of ABD and FHG. • Given • Definition of congruent angles • 3x + 6 = x + 26 Substitution • 3x = x + 20 Subtract 6 from each side. • 2x = 20 Subtract x from each side. • x = 10 Divide each side by 2. • Use the value of x to find the measure of one angle. • = 3x+ 6 Given • = 3(10) + 6 x = 10 • = 30 + 6 or 36 Simplify. • The measures of ABD and FHG are 36. • You can check you solution by substituting 10 for x in the expression for FHG.

  7. Teacher assigned Guided practice (15 minutes) • Teacher assigned Independent practice (15 minutes)

  8. Homework

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