Teks
Math 2.8
Geometry and measurement. The student applies mathematical process standards to analyze attributes of two-dimensional shapes and three-dimensional solids to develop generalizations about their properties. The student is expected to:
- (1) create two-dimensional
shapes based on given attributes, including
number of sides and vertices;
- (A) classify and sort three-dimensional solids, including spheres, cones, cylinders, rectangular prisms (including cubes as special rectangular prisms), and triangular prisms, based on attributes using formal geometric language;
- (B) classify and sort polygons with 12 or fewer sides according to attributes, including identifying the number of sides and number of vertices;
- (C) compose two-dimensional shapes and three-dimensional solids with given properties or attributes; and
- (D) decompose two-dimensional shapes such as cutting out a square from a rectangle, dividing a shape in half, or partitioning a rectangle into identical triangles and identify the resulting geometric parts.
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resources for those 'aha' moments
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Regular and Irregular Polygons
Use this teacher-created resource for teaching about regular and irregular polygons.
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2-D Shapes with Information - Poster
A 2-D shapes poster with 16 common shapes, as well as information characterizing each shape.
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2D Shapes Poster Set
Use this set of 16 brightly colored 2D shapes with your geometry lessons.
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Tangram Treats - Task Cards and Templates (Low-Color Version)
A set of 36 low color tangram task cards separated into three levels, along with two tangram cut-out templates.
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Memory Matcher PowerPoint – 2-D Shapes
An interactive memory match-up game where students recall the names of shapes.
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Attributes of 3-D Figures - Worksheet
A worksheet for students to practice giving attributes of 3-D figures.
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Find and Color – Shape Scavenger Hunt
A scavenger hunt allowing students to find 2-D shapes in their surrounding environment.
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Real Life 3-D Objects – Interactive PowerPoint
A 30-slide interactive PowerPoint that explores 3-D objects found in real life.
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Open-ended Math Problem Solving - Grades 1, 2, and 3 (Task Card Version)
A set of 20 open-ended problem solving task cards covering a range of mathematical concepts.
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2D Shapes Poster
Use this colorful poster with a collection of 2D shapes in your math classroom.
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Geometry Toss - Active Learning Game
An active game that encourages learning through a physical setting.
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Attributes of 3-D Figures - Posters
Posters showing and labeling the properties of 3-D figures.
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Individual 3-D Figure Blue Print Posters
3-D figures and their names, diagrams, and attributes on individual posters.
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2-D and 3-D Shapes Vocabulary Poster
A poster that explains 2-D and 3-D shapes and lists associated vocabulary.
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What's My Card? Shape Board Game
A set of cards to be used in a Guess Who? Board Game for students to consolidate their knowledge of shape.
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Individual 2-D Shapes Blue Print – Posters
2-D Shapes and their names, diagrams, and properties on individual posters.
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3-D Objects Dominoes
A set of dominoes to help students reinforce their understanding of 3-D figures.
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We're Going On a Shape Hunt! Graphing Game
A fun board game to aid students' recognition of 2-D shapes and graphing.
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2-D Shape Math Investigation - My Crazy Playhouse!
A mathematics investigation involving 2-D shape, embedded in a real-world context.
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Open-Ended Math Problem Solving - Grades 1, 2, and 3 (PowerPoint Version)
A PowerPoint with 20 open-ended problem solving questions covering a range of mathematical concepts.
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2-D Shape Match
A fun match-up activity to consolidate your students’ knowledge of 2-D shapes and their attributes.
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Math Warm-Ups Interactive PowerPoint - Grade 2
A PowerPoint providing a series of warm-up activities for Grade 2 students across the mathematics curriculum.
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Individual 3-D Figure Posters - Black and White
A set of 3-D figure posters that include the figure name, illustration, and its attributes.
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2-D and 3-D Figure Cards
A set of 2-D and 3-D figure cards to assist with your students' understanding of shapes and their attributes.
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3-D Figures - Individual Posters
This resource pack includes 3D object posters for a cube, sphere triangular based pyramid, triangular prism, rectangular prism, cylinder, cone and square based pyramid.
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2-D Shape Profiles – Template
A template that students use to demonstrate their ability to describe the features of 2-D shapes.
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2D Shape Finger Puppets
Use these cute shape puppets when discussing 2-D shape names and their properties to your students.
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Tangram Treats - Task Cards and Templates (Full Color Version)
A set of 36 tangram task cards separated into three levels, along with two tangram cut-out templates.
teaching resource
2-D Shape Dominoes
A set of dominoes to help students with their understanding of 2-D shapes.
teaching resource
Memory Matcher PowerPoint – 3-D Objects
An interactive memory matching game where students recall the names of common 3-D objects.
