http://www.algebra-class.com/algebra-1-or-prealgebra-for-7th-gra

来源: dr_yin 于 2015-11-18 16:22:21 [] [旧帖] [给我悄悄话] 本文已被阅读： 0 次 (338 bytes)

http://www.algebra-class.com/algebra-1-or-prealgebra-for-7th-grader.html

You may want to get a pre-algebra textbook and compare it with 6th grade textbook.

Ask the kid's math teacher should definitely help.

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