TheMathPage: Skill in Arithmetic
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http://www.themathpage.com/ARITH/arithmetic.htm  


Lawrence Spector; Borough of Manhattan Community College, CUNY  
A complete course in arithmetic: reading and writing whole numbers and decimals; addition, subtraction, multiplication, and division. Features the verbal, nonalgebraic theory of ratio and proportion, leading to fractions and percent. The usual written methods are used to show that arithmetic is something we do naturally in our heads. With addition and multiplication tables, powers of 10, and more.  


Levels:  Late Elem. (35) 
Languages:  English 
Resource Types:  Courses, Problems/Puzzles, Web Interactive/Java 
Math Topics:  Basic Operations, Exponents/Roots, Fractions/Decimals/Percents, Ratio/Proportion 
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