G/SS: ANGLES AND SHAPES
BIG IDEAS:
(taken from “Big Ideas by Dr. Small”):
- Some attributes of shapes are quantitative, others are qualitative.
- Geometric shapes can be classified and sorted according to attributes.
- The measurement of an angle is defined by how much one arm turns around a vertex relative to the other arm.
STUDENT LEARNING GOALS:
GOAL: I can classify angles and construct them up to 90°
- QUIZ: Measuring Angles
- VIDEO: Introduction to Lines, Segments, and Rays
- VIDEO: Angle Basics (naming angles)
- VIDEO: Measuring Angles
- VIDEO: Classifying Angles
- GAME: ThatQuiz – set to Level 8 and click “Measure”
- GAME: ToonU Angles
- GAME: IXL Math Practice (Angles)
- GAME: Squirt the Dog
- GAME: Alien Angles
GOAL: I can classify triangles and other polygons based on both angles and side lengths.
- QUIZ: Classifying Triangles by Angle
- QUIZ: Classifying Triangles by Side Length
- QUIZ: Measuring Angles in Polygons
- QUIZ: Properties of Polygons
- QUIZ: Sorting Polygons
- VIDEO: Classifying Triangles
- VIDEO: Classifying Quadrilaterals
- GAME: Triangle Shoot
- GAME: Drag-and-Drop
- GAME: Symmetry Game
- GAME: Shape Lab – click on “Really Hard”
- GAME: BBC Shapes (sorting shapes)
- GAME: Math Interactive
- GAME: Quadrilateral Quest)
GOAL: I can construct a triangle and other polygons based on specified criteria.
GOAL: I can classifying and draw views of a variety of 3D shapes.
- QUIZ: Making 3D Shapes
- QUIZ: Making Nets
- QUIZ: Identifying Nets
- QUIZ: Points of View
- VIDEO: Pyramids versus Prisms
- VIDEO: Drawing Nets
- GAME: Shape Shoot
- GAME: 3D Shape Concentration
CURRICULUM EXPECTATIONS:
- distinguish among polygons, regular polygons, and other two-dimensional shapes
- identify and classify acute, right, obtuse, and straight angles;
- measure and construct angles up to 90º, using a protractor;
- identify triangles (i.e., acute, right, obtuse, scalene, isosceles, equilateral), and classify them according to angle and side properties;
- construct triangles, using a variety of tools (e.g., protractor, compass, dynamic geometry software), given acute or right angles and side measurements (Sample problem: Use a protractor, ruler, and pencil to construct a scalene triangle with a 30° angle and a side measuring 12 cm.).
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