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Triangles Middle School Math Aligned to Common Core State Standards

Triangles Middle School Math Aligned to Common Core State Standards. Teacher Notes.

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Triangles Middle School Math Aligned to Common Core State Standards

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  1. Triangles Middle School Math Aligned to Common Core State Standards

  2. Teacher Notes Insight 360™ is eInstruction’s classroom instruction system that allows you to interact with your students as they learn, quickly gaining insight into student understanding during class so you can adjust instruction in real-time during a single class session. Use this content, designed specifically for use with Insight 360™, to interact with your class. This content includes brief instructional material and two types of activities: Constructed Response Activity for students to complete as an individual or a group assignment. Send each Constructed Response Activity to the Insight 360 iPad Student App. Assessment Item with CueTag™ for students to respond to via student response devices. Receive instant real-time feedback and longitudinal reports.

  3. Triangles • Triangles are three-sided closed figures.

  4. What do you know about triangles? Write what you know about triangles on the lines below. Triangles

  5. What do you know about triangles? Write what you know about triangles on the lines below. Answers may vary 3 sides Can have 3 equal sides Can have 2 equal sides Length of sides can differ Named by the lengths of sides or by the measure 3 angles of the angles Angle measure can differ Can have three different sides and angles Triangles

  6. How can we categorize triangles? Fill in the blanks. Triangles Length of Sides Types of Angles

  7. How can we categorize triangles? Fill in the blanks. Answers may vary. Triangles Length of Sides Types of Angles Scalene – No sides equal Acute – All angles < 90 Isosceles – 2 or more sides equal Obtuse – One angle > 90 Equilateral – 3 sides equal Right – One angle = 90

  8. Right Angles The sides of a right angle are perpendicular lines. Right angles are denoted using a square located at the vertex of the angle. Angle ABC is a right angle. A B C

  9. Right Angle Activity • Draw pictures of right angles found in your classroom.

  10. Right Angle Activity • Draw pictures of right angles found in your classroom. • Answers may vary and may include the corner of a shelf or picture frame.

  11. Right Triangle Activity Right triangles have one right angle. Circle all the right triangles.

  12. Right Triangle Activity Right triangles have one right angle. Circle all the right triangles.

  13. Identify Triangles Describe each triangle by sides and angle measures.

  14. Identify Triangles Describe each triangle by sides and angle measures. scalene right triangle obtuse isosceles triangle equilateral triangle scalene obtuse triangle isosceles right triangle scalene right triangle scalene right triangle acute isosceles triangle

  15. A right scalene triangle has • one angle more than 90 and two sides the same length. • one angle equal to 90 and no sides the same length. • one angle equal to 90 and two sides the same length. • one angle more than 90 and no sides the same length.

  16. For information about Insight 360™, visit http://www.einstruction.com. For additional content samples, click here.

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