Contents

  1. Section A: Points, Lines, Segments, Rays, and Angles
    1. Warm-up: Notice and Wonder: String Art
    2. 1.1: Do You See What I See?
    3. 1.2: Lines and Line Segments
    1. Warm-up: Number Talk: Finding Differences
    2. 2.1: Card Sort: Who Am I?
    3. 2.2: Make Some Shapes
    1. Warm-up: How Many Do You See: A Curious Figure
    2. 3.1: Four Lines
    3. 3.2: To Cross or Not to Cross
    1. Warm-up: Which One Doesn’t Belong: Four-sided Shapes
    2. 4.1: Spot Lines and Line Segments
    3. 4.2: Draw and Design with Lines
    1. Warm-up: Notice and Wonder: A Wall of Clocks
    2. 5.1: Tricky Figures
    3. 5.2: Angles or Not Angles?
    4. 5.3: Discover Angles
    5. Section A Summary
    6. Section A Practice Problems
  2. Section B: The Size of Angles
    1. Warm-up: Which One Doesn’t Belong: Angles
    2. 6.1: Card Sort: Angles
    3. 6.2: Order Angles
    1. Warm-up: Notice and Wonder: Two Sets of Angles
    2. 7.1: Draw Angles Andre’s Way
    3. 7.2: Compare Angles on the Clock
    1. Warm-up: What Do You Know about 360?
    2. 8.1: A Full Turn
    3. 8.2: Make a Measuring Tool
    1. Warm-up: True or False: There's Something about 45
    2. 9.1: How Large is a 1^\circ Angle?
    3. 9.2: Use a Protractor
    1. Warm-up: Number Talk: Quotients
    2. 10.1: Angles Here, There, Everywhere
    3. 10.2: A Folding Challenge
    1. Warm-up: Estimation Exploration: Long Hand and Short Hand
    2. 11.1: Draw These Angles
    3. 11.2: Angles Made to Order
    4. Section B Summary
    5. Section B Practice Problems
  3. Section C: Angle Analysis
    1. Warm-up: Number Talk: Fractions of 120 and 360
    2. 12.1: Sorting Angles
    3. 12.2: What is It, Really?
    4. 12.3: Small Angles, Large Angles
    1. Warm-up: Notice and Wonder: Corner Pieces
    2. 13.1: How Big Are These Angles?
    3. 13.2: Angles in a Kite
    1. Warm-up: Which One Doesn’t Belong: Time After Time
    2. 14.1: Draw a Clock
    3. 14.2: Tick Tock
    1. Warm-up: How Many Do You See: Obtuse Angles
    2. 15.1: Shaded and Unshaded Angles
    3. 15.2: Info Gap: A Whole Bunch of Angles
    4. Section C Summary
    1. Warm-up: Notice and Wonder: Two Figures
    2. 16.1: Make a Change
    3. 16.2: Guess My Figure
    4. Section C Practice Problems
  4. Glossary
    1. Image Attributions
  5. Notes
  6. Notes
 
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