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Math-U-See: Pre-Algebra Instruction Manual is in excellent condition and was barely used. As a math and science teacher, I didn’t rely on the lesson instructions or answer keys, so the book is virtually untouched.
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.