Curated OER
Tessellations: Identify Common Shapes That Tessellate
Students explore tessellations. They are shown a selection of shapes. Students identify shapes that tessellate and justify their answer. Students create their own tessellation.
Curated OER
Tessellations: Use Right Angles To Explain The Tessellation of Objects
Students examine a selection of shapes and identify which shapes tessellate and why. They design and make a pattern which involves translation, reflection, or rotation. Students describe the features of 2-dimensional and 3-dimensional...
Curated OER
Tessellations: Use Angles To Show That Shapes Will or WIll Not Tessellate
Students observe a selection of shapes. They identify which shapes will tessellate and justify their answer. Students apply the symmetry and angle properties of polygons to create tessellations.
Curated OER
Which Image Matches the Word?
In this math instructional activity, students read the name of a geometric figure and analyze the drawings next to it. Students color the image that matches the word.
Curated OER
Geometry: 3D Objects
In this math worksheet, students examine 4 pictures of 3D objects and write the name of each. Students then study 3 pictures and figure the number of faces, edges and vertices on each.
Curated OER
Quadrilaterals and Other Polygons
In this quadrilaterals and other polygons worksheet, students name various polygons and then decide if each polygon is a quadrilateral. Students also decide is certain polygons regular or irregular.
Curated OER
Hands On: Explore Perimeter
In this perimeter word problems worksheet, students enhance their understanding of perimeter by solve the six word problems.
Curated OER
Tessellations: An Application of Simple Regular Polygons
Tenth graders identify homogeneous tessellations. In this model-based lesson, 10th graders make and identify homogeneous tessellations, both regular and semi-regular.
Curated OER
Finding the Missing Letters and Sequencing
Pupils discover missing letters of the alphabet. In this letter recognition lesson, students identify the missing letters in a short alphabet sequence. Pupils complete a worksheet as an assessment.
Curated OER
Compare Shapes
In this comparing shapes worksheet, students use a word box to help fill in blanks in sentences, comparing and contrasting various shapes.
Curated OER
How Many?
In this measurement worksheet, students complete a 12 question multiple choice online interactive assessment about standard modern and ancient measurement.
Curated OER
Meet the Polygon Family
Fourth graders investigate regular polygons. In this regular polygon lesson, 4th graders explore the attributes of different polygons. Students work in groups to complete a KWL chart regarding polygons.
Curated OER
Polygons Defined
Fourth graders explore polygons. In this polygon lesson, 4th graders sort polygons according to their properties. Students discover the connection between polygons and the Greek language.
Wolfram Research
Wolfram Math World: Octagon
A complex look at the octagon, which is an eight-sided polygon, from Mathworld.com.
Math Open Reference
Math Open Reference: Octagon (8 Gon)
A complete reference guide to octagons. It provides a definition, examples, and an interactive activity that enhances further explanation. Includes links to related topics.
Illustrative Mathematics
Illustrative Mathematics: G Co Building a Tile Pattern by Reflecting Octagons
This task applies reflections to a regular octagon to construct a pattern of four octagons enclosing a quadrilateral. The focus of the task is on using the properties of reflections to deduce that the quadrilateral is actually a square....
Illustrative Mathematics
Illustrative Mathematics: G Co Origami Regular Octagon
After successive folds of a piece of origami paper, a student must explain why the shape made is a regular octagon. Aligns with G-CO.A.3 and G-CO.D.12.
Illustrative Mathematics
Illustrative Mathematics: 8.g Tile Patterns I: Octagons and Squares
Eighth graders are presented with a tile pattern showing an apparent square surrounded by four octagons. They are asked to answer a question about congruency and angle measurements, as well as prove that the interior shape is really a...
University of Georgia
University of Georgia: Inter Math: Octagon
This site gives the general definition of a octagon with examples of regular convex and irregular concave octagons. The site has links to related terms, everyday examples, challenging problems, more information, and the interactive check...
Other
Ic Teachers: Shapes: Polygons
The properties of the four different types of polygons--pentagons, hexagons, heptagons, and octagons--are discussed here. Some practice questions are also given to test your knowledge.
TES Global
Tes: Maths and Islamic Art & Design
[Free Registration/Login Required] This is a collection of design and shape templates from the Maths and Islamic Art & Design sections of the Victoria and Albert Museum. It provides the following templates: Islamic circular grid,...
Curated OER
Science Kids: Science Images: Octagon
This picture shows a simple outline of an octagon, a shape featuring eight sides.
Curated OER
Eternal Egypt: Octagonal Box
An octagonal box that was used to hold various materials, most probably those that could easily evaporate, for the lid can be closed tightly. The box, which has a lid, has four handles; one on each of four alternate sides of the octagon.
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