Lessons and Tools for Teachers

#### Lessons for Symmetry

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• Math 4 - Act. 17: Lines of Symmetry - … about plane symmetries (those that take place on a flat plane), but the ideas generalize to spatial symmetries, too. Plane symmetry involves moving … meaning of symmetry. Make sure students understand definition of symmetry. Using polygons, allow students to decide which polygons have lines of symmetry by … is reflectional symmetry. Curriculum Integration Math/Science * Where in nature do we find lines of symmetry? Brain storm and look for symmetry in …
• Symmetry in Nature and Congruent Shapes All Around - … the Smart Board review symmetry and symmetry in nature. Some sites available are http://www.misterteacher.com/symmetry.html http://educ.queensu.ca/~fmc/may2002/SymNat.htm http://www.adrianbruce.com/Symmetry/smartboard-activity2.htm http://www.ixl.com/math/practice/grade-2-symmetry http://www.innovationslearning.co.uk/subjects/maths/activities/year3/symmetry
• Reflectional and Rotational Symmetry (includes BLM Shapes for Reflection and Rotation) - … Rotational Symmetry Purpose Students will identify shapes that have reflectional and rotational symmetry and understand specific turns in regard to rotational symmetry. Materials … symmetry ? rotational symmetry (180Â°) Triangle ? reflectional symmetry ? rotational symmetry (120Â°) Parallelogram ? rotational symmetry (180Â°) A ? reflectional symmetry Square ? reflectional symmetry ? rotational symmetry (90Â° 180Â°, 270Â°) M ? reflectional symmetry Black …
• That's Classified (includes BLMs Phylum Characteristics and Phyla Scavenger Hunt) - … Characteristics (Kingdom Animalia) Phylum Annelida bilateral symmetry uniformly segmented body parapodia bristles Phylum Chordata bilateral symmetry have or had a tail notochord … gill slits Phylum Echinodermata five-part radial symmetry tube feet spiny skin Phylum Nematoda bilateral symmetry round, unsegmented body cuticle Standard 4 … bilateral symmetry segmented body hard exoskeleton jointed legs Phylum Cnidaria radial symmetry ring of tentacles around mouth stinging cells Phylum Mollusca bilateral symmetry