Curated OER
Mining Shapes
In this 2-D shapes lesson, kindergarteners review plane shapes attributes. They engage in a shape hunt in the classroom and create art using plane shapes. A good, hands-on lesson!
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Calculate the Area of Rectangles
A wonderful resource just waiting to be used. Provide learners with a complete explanation on how to calculate the area of a rectangle. After this process is covered, they will see how they can use rectangles to calculate the area of...
Curated OER
Cylinder Volume Lesson Plan
Tenth graders define the formula for cylinders and use it to solve real world problems. In this geometry lesson, pupils differentiate between area, perimeters, 2D shapes, 3D shapes, and volume of prisms, cylinders and spheres. They...
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Making and Describing Shapes
Explore the concept of creating and describing 2D and 3D shapes. Using geometry your scholars will describe the attributes of shapes and their properties. They explore and discover what happens when you combine shapes and...
Math Salamanders Ltd.
2D Shapes Circles
In this circles worksheet, students view a set of circles of different sizes. The worksheet is only for reference and does not have associated activities.
Math Salamanders Ltd.
2D Shape Sheet Triangles
In this triangles activity, students can cut out or count the triangles given to them. Students cut or count 13 different colored triangles.
Math Salamanders Ltd.
2D Shape Sheet Trapezoids
In this trapezoids worksheet, students cut or count the number of trapezoids on the sheet. Students cut or count 15 different colored trapezoids.
Math Salamanders Ltd.
2D Shape Sheet Isosceles Triangles
In this isosceles triangle worksheet, students cut or count the triangles on this sheet. Students cut or count out 13 isosceles triangles that are all different colors.
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Review of 2D and 3D Figures
In this 2 and 3 dimensional figures worksheet, students determine whether given shapes are regular or irregular. A reference web site is given for additional activities.
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Small and Large Squares
Young mathematicians classify squares according to attributes. They sort squares according to specific attributes. Students explore squares in repeating patterns and order squares according to size. Engaging extension activities are...
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Similar Situations
Students explore intersecting lines. In this intersecting lines lesson, students investigate shapes consisting of parallel, perpendicular, and similar lines. Students investigate these lines in shapes around them.
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Facial Symmetry
Learners study facial symmetry. They explore lines of symmetry, and create illustrations with multiple lines of symmetry.
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Area, Perimeter, Volume Formulas
In this formulas learning exercise, students write the area, perimeter, and volume formulas of 17 2D and 3D polygons. Students list properties of various types of triangles and the metric conversions for metric units.
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Properties of 2D Shapes
In this math worksheet, students study 5 basic geometric shapes. Students write a description for each, naming the shape, telling about the edges, the lengths and the corners.
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2D Shapes (1)
In this shape recognition worksheet, students study each of the shapes and then write the names of the two-dimensional polygons on the lines.
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Exploring 2D and 3D Shapes (Word Search)
In this math and language arts activity, learners examine 15 words in a word bank which pertain to geometric shapes. Students find the words in a word search puzzle.
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Shapes
Discuss the properties of 2D and 3D shapes in order to help learners understand the concept. Learners will participate in an interactive whiteboard lesson to develop understanding of 2D and 3D shapes.
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Dimensional Space: Various Perspectives
Students use their understanding of 3D on 2D to make a representation of a 4D form on paper.
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Shape Makers
Classify and explore shapes by giving learners opportunities to handle, describe and classify 2D and 3D shapes. Primary learners will sort objects such as triangles, squares, oblongs, circles, ovals, pentagons, hexagons, diamonds, boxes,...
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Dough Lake Topology
High schoolers practice coordinates and measurements, develop 2D, 3D topological map, construct grid with string on real surface, establish "level" fixed point for measurements, take and record data points of elevation, and enter data on...
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Presentation (Electronic) Resources
Students explore the relationship and impact of information technology and digital media in the business arena. They create an interactive digital presentation which includes web links, links (buttons) to jump to different slides,...
Curated OER
Magician Squares
Elementary school learners investigate the attributes of a square. They discover that squares are polygons and examine squares found in everyday life. They concentrate on connecting the word, square, with the shape. As an...
Curated OER
Basic Right Triangles
Elementary schoolers examine the attributes of triangles. In this triangle lesson, learners compare regular triangles and right triangles. They explore vertices and angles and investigate obtuse and acute angles. Pupils draw multiple...
Curated OER
Parallel and Perpendicular Lines
Learners study parallel and perpendicular lines. For this parallel and perpendicular lesson, pupils explore 2-D shapes and determine if the sides are parallel or perpendicular.
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