Unit 8: Apply Geometric Concepts

Lesson 1: Lines, Line Segments & Rays

NC.4.G.1

Fourth Grade Unpacking Document

• I can identify points, lines, line segments, rays, angles, parallel and perpendicular lines.

• None

Lesson 2: Parallel & Perpendicular

NC.4.G.1

Fourth Grade Unpacking Document

• I can identify, discuss and label parallel and perpendicular lines.

• Video Links:

  • Discovery Education: Parallel Lines

  • Discovery Education: Perpendicular Lines

  • Parallel, Perpendicular and Intersecting Lines Song by Numberock

Lesson 3: Parallel & Perpendicular Lines in Polygons

NC.4.G.1

NC.4.G.2

Fourth Grade Unpacking Document

• I can identify parallel and perpendicular lines in polygons.

• Virtual Manipulatives:

  • Math Learning Center  Interactive Geoboard 

  • Math Learning Center Pattern Pieces 

Lesson 4: Parallel & Perpendicular Scavenger Hunt

NC.4.G.1

NC.4.G.2

Fourth Grade Unpacking Document

• I can continue my study of parallel and perpendicular lines by participating in a class or school yard scavenger hunt.

• Video Links:

  • Parallel, Perpendicular and Intersecting Lines Song by Numberock

Lesson 5: Symmetry Introduction

NC.4.G.3

Fourth Grade Unpacking Document

• I can recognize the line of symmetry in two-dimensional shapes by folding, drawing, and observing lines.

• Technology Links:

• Study Jams: Lines of Symmetry Interactive

• Top Marks Symmetry Sorting Game

• Symmetry Game

• Virtual Manipulatives:

  • Math Learning Center Pattern Pieces

Lesson 6: Symmetry with Pattern Blocks

NC.4.G.3

Fourth Grade Unpacking Document

• I can create geometric designs with pattern blocks along a line of symmetry.

• I can with partners, take turns to re-create the design as a mirror image.

• Video Links:

  • Artifact One Symmetry in Nature

• Technology Links:

• Math Playground Reflection Painter Game

• Virtual Manipulatives:

  • Math Learning Center Pattern Pieces

Lesson 7: Geometric Patterns

NC.4.OA.5

Fourth Grade Unpacking Document

• I can analyze and create shape patterns that follow a given rule.

• Virtual Manipulatives:

  • Math Learning Center Pattern Pieces

Lesson 8: Protractor & Angles Introduction

NC.4.MD.6

Fourth Grade Unpacking Document

• I can learn how to use protractors to measure acute and obtuse angles.

• Video Links:

  • "Sir Cumference and the Great Knight of Angleland" by Cindy Neuschwander

  • Using a Protractor to Measure Angles Video

• Technology Links: 

• Visnos Online Protractor & Angles Interactive

• Math Playground Measuring Angles  Activity

• Virtual Manipulatives: 

  • Virtual Protractor

Lesson 9: Measuring Angles

NC.4.MD.6

Fourth Grade Unpacking Document

• I can use protractors to measure acute and obtuse angles.

• Video Links:

  • Numberock Angles Song

• Technology Links:

  • Study Jams Classify Angles Interactive

  • Math Playground Alien Angles Game

• Virtual Manipulatives:

  • Visnos Online Protractor & Angles Interactive

Lesson 10: Sketching Angles

NC.4.MD.6

Fourth Grade Unpacking Document

• I can use protractors to measure and sketch angles.

• Video Links:

  • LearnZillion: Classify & Draw Various Types of Angles

• Technology Links:

• Math Games Identifying Angles Interactive

• Virtual Manipulatives:

  • Virtual Protractor

  • Visnos Online Protractor & Angles Interactive

Lesson 11: Adding Angles

NC.4.MD.6

Fourth Grade Unpacking Document

• I can practice measuring angles with a protractor.

• I can add angle measurements together.

• Virtual Manipulatives:

• Virtual Protractor

• Visnos Online Protractor & Angles Interactive

Lesson 12: Subtracting Angles

NC.4.MD.6

NC.4.OA.3

Fourth Grade Unpacking Document

• I can figure out missing measurements of complementary and supplementary angles by using subtraction.

• I can apply my knowledge of angles to solve real world problems.

• Video Links:

  • BrainPop Measuring Angles

• Virtual Manipulatives:

• Virtual Protractor

• Visnos Online Protractor & Angles Interactive

• Online Calculator

Lesson 13: Classifying Triangles

NC.4.G.1

NC.4.G.2

NC.4.MD.6

Fourth Grade Unpacking Document

• I can learn new vocabulary (scalene, equilateral, isosceles).

• I can sort and classify triangles by angles and side lengths.

• Video Links:

  • Numberock Types of Triangles Song

• Technology Links:

• MathisFun Interactive Triangles

Lesson 14: Classifying Polygons

NC.4.G.1

NC.4.G.2

NC.4.MD.6

Fourth Grade Unpacking Document

• I can measure, observe, sort, and classify polygons by their types of angles and sides.

• None