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Equations and Tape Diagrams for Angle Measurement - Common Assessment #9

This lesson focuses on writing and solving equations to calculate missing angle measures using tape diagrams and train tracks. Students will work on the Common Assessment #9 independently, aiming to complete at least 6 out of 9 levels successfully.

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Equations and Tape Diagrams for Angle Measurement - Common Assessment #9

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  1. Activator • Take out your Packet • Leave your homework on the corner of your desk • Solve using tape diagrams AND train tracks • X + 28 = 90

  2. Common Assessment 9 • Please get a Common Assessment #9 to complete • You will have 15 minutes to work on it (please make sure your name is on it before you hand it in) • Check it over and make sure you answered everything before turning it in.

  3. Objective • I will be able to write and solve equations. • So that I can calculate missing angle measures • I will know I got it when I can solve at least 6 out of the 9 levels independently. (6.EE.B.5, 6.EE.B.6)

  4. Language Objective • By the end of the lesson, students will be able to use the language domains of listening, reading and writing. • They will listen to the class lesson, read the levels and write and solve equations of measuring angles. • They will show their understanding by completing 6 out of the 9 levels independently. • Academic math Language Vocabulary: acute, obtuse, right, straight line, reflex angles.

  5. Two column Notes • Less than 90° • Between 90° and 180° • Exactly 90° • (complementary angles add to 90°) • Acute • Obtuse • Right

  6. Two column Notes • Exactly 180° • (supplementary angles add to 180°) • Between 180° and 360° • Straight • Reflex

  7. I do… pg. 153 #1 x + 52 = 90 x + 52 = 90 -52 -52 x = 38

  8. we do… pg. 153 #4 x + 105 + 62 = 180 x + 105 + 62 = 180 x + 167 = 180 - 167 -167 x = 13

  9. How do you feel? topic.

  10. I can use my examples to help! • Everyone independently start on LEVEL 1 half sheet. • When done, come see a teacher. • If correct, teacher will ask to move to the next level. • Our goal, complete at least 6 out of the 9 level worksheets.

  11. How do you feel? topic.

  12. Ticket to go • Write an equation and solve for the missing angle. • Alejandro is repairing a stained glass window and he needs to take it apart to repair it. Before taking it apart, he makes a sketch with angle measures to put it back together.

  13. Pg. 152

  14. Accommodations • Read or reread presentation or activity directions, as needed or after prompting • Use examples to model and act as a guide for emerging learners

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