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King Arthur was a good ruler, but in this math adventure he needs a good ruler. Geometry is explained with humor in SIR CUMFERENCE AND ...
The clearest, simplest, and most visual guide to grammar for children learning English as a foreign language
Understand the rules of English grammar with this ...
Kumon Writing Workbooks develop the writing skills necessary for children's academic success. Through Kumon's famous step-by-step approach and grade-level appropriate vocabulary, your child ...
Give your children the skills and confidence they need for advanced mathematics. Your child will master each topic in pre-algebra in a step-by-step manner, building ...