4th Grade - Unit 12 Math

Unit 12: Geometry and Measurement Text Mr. Yen's Videos  Youtube Video Names and Links

Page

Chapter 25 - Plane Figures
Location: Geometry
Lesson 1 - Hands On: Points, Lines, and Line Segments 558 Points, Line Segments, and Lines Points, Line Segments, and Lines
Lesson 2 - Rays and Angles 560 Naming Rays and Angles Naming Rays and Angles
Lesson 3 - Polygons and Quadrilaterals 564 Classifying Angles Classifying Angles
Lesson 4 - Classify Triangles 566 Polygons Polygons
Lesson 5 - Circles 568 Quadrilaterals Quadrilaterals
Lesson 6 - PS Field Trip: Adventure Playground 572 Classifying Triangles Classifying Triangles
Chapter Review / Test 576
Circles
Circles




Chapter 26 - Congruence and Symmetry
Location: Geometry
Lesson 1 - Line Symmetry 580

Lesson 2 - Line or Bilateral Symmetry 582

Lesson 3 - Rotational Symmetry 584

Lesson 4 - Congruent Figures 588

Lesson 5 - PS Strategy: Patterns in the Coordinate Grid 592

Chapter Review / Test 596





Chapter 27 - Perimeter and Area
Location: Measurement
Lesson 1 - Hands On: Model Perimeter and Area 600

Lesson 2 - Use Formulas for Perimeter 602
Area of Rectangles and Squares
Area of Rectangles and Squares
Lesson 3 - Use Formulas for Area 604
Perimeter of Complex Figures
Perimeter of Complex Figures
Lesson 4a - Perimeter and Area of Complex Figures
Lesson 4b
608
Area of Complex Figures
Area of Complex Figures
Lesson 5 - Problem Solving Strategy: Use Formulas 614

Chapter Review / Test 616





Chapter 28 - Solid Figures
Location: Geometry
Lesson 1 - Hands On: Use Nets o Build Solid Figures 620

Lesson 2 - Solid Figures 622

Lesson 3 - Surface Area 626

Lesson 4 - Volume 628

Lesson 5 - Problem Solving Plan: Surface Area or Volume 632

Chapter Review / Test 636