Rays Arithmetic 8 Volume Set
Ranked #19 in Arithmetic
This is the classic "Arithmetics" by Joseph Ray. First published in the 1800s, "Ray's Arithmetics" are organized in an orderly manner around the discipline of arithmetic itself. They present principles and follow up each one with examples which include difficult problems to challenge the best students. Students who do not master a concept the first time can return to it later, work the more difficult problems, and master the concepts. Thus in these compact volumes is a complete arithmetic course to study in school, to help in preparation for ACT and SAT tests, and to use for reference... more
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