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| SE page 374 Information about Euclid | ||
| mathsisgoodforyou.com | ||
| Provides biographical information about Euclid. Click on the link to Elements for information and visuals about Euclid’s book. ( http://www.mathsisgoodforyou.com/people/euclid.htm ) | ||
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| Clark University: This site was developed by D.E. Joyce. | ||
| Use the interactive geometry applet to learn about Euclid’s Elements. ( http://aleph0.clarku.edu/~djoyce/java/elements/elements.html ) | ||
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| SE page 379 Explore geometric properties of angles in a circle on a geoboard or a computer | ||
| National Library of Virtual Manipulatives | ||
| Explore geometric properties of central angles and inscribed angles in a circle using a virtual geoboard. ( http://nlvm.usu.edu/en/nav/frames_asid_285_g_4_t_3.html?open=activities&from=category_g_4... ) | ||
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| Argyll Home Education Services Centre: This site was developed by Jim Reed. | ||
| Use the interactive activity to explore the pattern for inscribed angles subtended by the same arc. Then, watch the animation to check for understanding. ( http://argyll.epsb.ca/jreed/math20p/circles/inscribed_inscribed.htm ) | ||
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| Argyll Home Education Services Centre: This site was developed by Jim Reed. | ||
| Use the interactive activity to explore the relationship between a central angle and an inscribed angle. Then, watch the animation to check for understanding. ( http://argyll.epsb.ca/jreed/math20p/circles/inscribed_central.htm ) | ||
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| SE page 386 Explore geometric properties of perpendicular bisectors to a chord on a computer | ||
| Argyll Home Education Services Centre: This site was developed by Jim Reed. | ||
| Use the interactive activity to explore the pattern for perpendicular bisectors to a chord. Then, watch the animation to check for understanding. ( http://argyll.epsb.ca/jreed/math20p/circles/chordBisector.htm ) | ||
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| SE page 393 Information about sand mandalas | ||
| Cornell University | ||
| Provides information about sand mandalas and photos. ( http://www.graphics.cornell.edu/online/mandala/ ) | ||
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| SE page 394 Explore geometric properties of tangents to a circle on a computer | ||
| Argyll Home Education Services Centre: This site was developed by Jim Reed. | ||
| Use the interactive activities to explore the properties of tangents to a circle. Then, watch the animations to check for understanding. ( http://argyll.epsb.ca/jreed/math20p/circles/tangent.htm ) | ||
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