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GBK Geometry

GBK Geometry. Jordan Johnson. Today’s plan. Greeting Warm-up: Pre-write Lesson: Quadrilaterals & Parallelograms Homework / Questions Clean-up. Warm-up pre-write: QLs. Take out your supplies (compass, straightedge, protractor, 2 pen/pencil colors, paper, textbook).

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GBK Geometry

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  1. GBK Geometry Jordan Johnson

  2. Today’s plan • Greeting • Warm-up: Pre-write • Lesson: Quadrilaterals & Parallelograms • Homework / Questions • Clean-up

  3. Warm-up pre-write: QLs • Take out your supplies (compass, straightedge, protractor, 2 pen/pencil colors, paper, textbook). • Write name/date/period on a half-sheet of paper, and do the following: • Complete these definitions: • A quadrilateral is… • A parallelogram is… • Draw an equiangular quadrilateral. • Sketch a hexagon and draw two of its diagonals.

  4. Definitions • In any polygon... • consecutive sides are those that intersect. • consecutive angles are those having a common side. • consecutive vertices are endpoints of the same side. • diagonals are segments connecting non-consecutive vertices. • In quadrilaterals: • Sides that do not intersect are called opposite sides. • A rectangle is a quadrilateral with four right angles.

  5. Parallelograms • A parallelogram is a quadrilateral whose opposite sides are parallel. • What kind of symmetry does it have?

  6. Homework • 25+ min: • Finish Asg #50 (Ch. 6 AR) if not already done

  7. Clean-up / Reminders • Pick up all trash / items. • Push in chairs (at front and back tables). • See you tomorrow!

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