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ISBN-13: 9780873537339, 978-0873537339. Do your students have concept images that limit their ideas of shapes to specific examples, oriented in particular ways?. Do they confuse the size of an angle with the length of the rays in a drawing of an angle?.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.