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Basic Operations Addition, Division, Multiplication, Subtraction Estimation Exponents/Roots Factorials Fractions/Decimals/Percents Logarithms Measurement Calendars/Dates/Time, Temperature, Terms/Units of Measure Number Sense/About Numbers Golden Ratio/Fibonacci, Imaginary/Complex Numbers, Infinity, Large Numbers, Negative Numbers, Prime Numbers, Rational/Irrational Numbers, Transcendental Patterns/Relationships Ratio/Proportion Problem-Solving

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Arithmetic - Math Forum Links to some of the best Internet resources for arithmetic: classroom materials, software, Internet projects, and public forums for discussion. more>> Elementary Problem of the Week - Math Forum A project designed to challenge elementary students with non-routine problems and to encourage them to verbalize their solutions. From 1995 to 2002, solutions submitted from students for the Elementary Problem of the Week were answered by Visiting Math Mentors, and students had an opportunity to correspond with their mentor. The problems were intended for students in grades 3-6 (ages 8-12), but may also be appropriate for students in other grades. more>>

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