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The Boxes Go Mobile
Source Institutions
Learners display their findings after a study of surface area and volume. They build a mobile to show a commercially available box and a constructed cubical box of the same volume.
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Geometry and Spatial Relations: Mirror, Mirror
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In this math lesson, learners use hinged mirrors to discover that regular polygons are composed of triangles tessellating around a center point.
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Fill It Up
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Players take turns adding shapes made of three squares to a grid. They try to fit their shapes on the grid in a way that blocks the other player.
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Creative Caps
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In this activity, young learners will explore shapes, textures, and geometries using household materials.
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Walking Polygons
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In this activity, learners walk the sides and interior angles of various polygons drawn on the playground. As they do so, learners practice rotating clockwise 180° and 360°.
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Canine House of Cards
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This simple construction activity teaches the importance of architectural structure. Learners build and test designs for a paper "doghouse" strong enough to hold the weight of a jumbo dog biscuit.
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Twisted Tesselations
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In this activity (on pages 41-47 of PDF), learners explore tesselating geometric patterns (repeated shapes, similar to the art of M.C. Escher).
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Loopy Geometry
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Discover geometry by creating shapes from loops of paper. In this activity, paper loops transform to give you totally new structures when you cut them.
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Geometry: Let's Face It
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In this math lesson, learners identify, describe, and construct the five regular polyhedra.
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Make a Tikiville Teepee
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In this great hands-on activity, learners use patterns to make a teepee from newspaper that they sit inside.
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Beyond Dominoes: Polyominoes
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In this activity, learners add squares to paper dominoes to make polyominoes.
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Pyramids and Triangles
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Straws and pipe cleaners are terrific materials for building models of pyramids and cubes.
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Exploring a Complex Space-Filling Shape
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In this activity, learners build a paper stellated rhombic dodecahedron, a three-dimensional 12-pointed star.
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Castle Basics
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In this four-day lesson, learners identify three-dimensional forms in castle design, research different parts of the castle with a focus on their uses, and design and enlarge a banner for the great ha
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Great Openings: Slots, 35 Sense, and Hole In One
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These three short activities challenge groups to fit objects through paper and index cards: "Slots" presents the challenge for one learner to figure out which objects fit through a hole cut by another
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Party Hat Symmetry
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In this hands-on activity, learners make New Year's Eve party hats out of wrapping paper. Learners use symmetry and measurement to cut out shapes they need to assemble the hats.
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Tessellations
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In this activity, learners will engineer a new shape and use it to create a new pattern with no wasted space.
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Crazy Shapes
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In this activity, learners cut a shape into two equal sized pieces and use their knowledge of geometry and space to prove that the two parts are equal.
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Geometry and Algebra: The Future Flight Equation
Source Institutions
In this activity, learners discover how NASA engineers develop experimental aircraft.
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Geometric Solids
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This math activity exposes early learners to a variety of three-dimensional objects. Learners bring geometric solids (everyday objects) from home.