Pre-Algebra

Deborah
January 24, 2014
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Math Review of Equivalent Sentences

Math Review of Equivalent Sentences https://schooltutoring.com/help/wp-content/themes/movedo/images/empty/thumbnail.jpg 150 150 Deborah Deborah https://secure.gravatar.com/avatar/33796afece385634de1e5afedc90d1926eaaab92da2f4939d39ca66faaca0aa6?s=96&d=mm&r=g January 23, 2014 December 2, 2014

Overview: Solving equations in algebra depends on using equivalent sentences until the solution is found. Sentences are equivalent if they have the same solution. For example, sentences such as…

Deborah
January 20, 2014
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Using Formulas to Solve Math Problems

Using Formulas to Solve Math Problems https://schooltutoring.com/help/wp-content/themes/movedo/images/empty/thumbnail.jpg 150 150 Deborah Deborah https://secure.gravatar.com/avatar/33796afece385634de1e5afedc90d1926eaaab92da2f4939d39ca66faaca0aa6?s=96&d=mm&r=g January 20, 2014 December 2, 2014

Overview: Some relationships between variables can be solved for in terms of common formulas. For example, the formula for the circumference of a circle is C=πd. This equation shows…

Deborah
January 3, 2014
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Math Review: Fractions to Decimals

Math Review: Fractions to Decimals https://schooltutoring.com/help/wp-content/themes/movedo/images/empty/thumbnail.jpg 150 150 Deborah Deborah https://secure.gravatar.com/avatar/33796afece385634de1e5afedc90d1926eaaab92da2f4939d39ca66faaca0aa6?s=96&d=mm&r=g January 3, 2014 December 2, 2014

Overview: Simple fractions and mixed numbers are often turned into equivalent decimals for ease of operations in addition, subtraction, multiplication, and division. They are easier to use on a calculator…

Deborah
January 2, 2014
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Introduction to Rational Numbers

Introduction to Rational Numbers https://schooltutoring.com/help/wp-content/themes/movedo/images/empty/thumbnail.jpg 150 150 Deborah Deborah https://secure.gravatar.com/avatar/33796afece385634de1e5afedc90d1926eaaab92da2f4939d39ca66faaca0aa6?s=96&d=mm&r=g January 2, 2014 December 2, 2014

Overview: Rational numbers are numbers that can be expressed as a ratio of integers, such as 5/6, 12/3, or 11/6. The denominator can be 1, as in the case of…

Deborah
December 30, 2013
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Math Review of the Number Pi

Math Review of the Number Pi https://schooltutoring.com/help/wp-content/themes/movedo/images/empty/thumbnail.jpg 150 150 Deborah Deborah https://secure.gravatar.com/avatar/33796afece385634de1e5afedc90d1926eaaab92da2f4939d39ca66faaca0aa6?s=96&d=mm&r=g December 30, 2013 December 2, 2014

Overview: The number pi (π) is one of the most important and useful numbers in math calculations involving circles, spheres, and other circular objects. It is an irrational number with…

Deborah
December 26, 2013
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Math Review of Positive and Negative Exponents

Math Review of Positive and Negative Exponents https://schooltutoring.com/help/wp-content/themes/movedo/images/empty/thumbnail.jpg 150 150 Deborah Deborah https://secure.gravatar.com/avatar/33796afece385634de1e5afedc90d1926eaaab92da2f4939d39ca66faaca0aa6?s=96&d=mm&r=g December 26, 2013 December 2, 2014

Overview: Exponents, or powers, are shorthand for repeated multiplication of the same number, variable, or expression. They are especially useful to describe variables and expressions that are multiplied over and…

Deborah
December 23, 2013
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Solving for a Variable

Solving for a Variable https://schooltutoring.com/help/wp-content/themes/movedo/images/empty/thumbnail.jpg 150 150 Deborah Deborah https://secure.gravatar.com/avatar/33796afece385634de1e5afedc90d1926eaaab92da2f4939d39ca66faaca0aa6?s=96&d=mm&r=g December 23, 2013 December 2, 2014

Overview: In order to solve some algebraic equations, it is important to choose a variable within the equation and then solve the equation in terms of that variable. One strategy is…

Deborah
December 12, 2013
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Math Review of Absolute Value

Math Review of Absolute Value https://schooltutoring.com/help/wp-content/themes/movedo/images/empty/thumbnail.jpg 150 150 Deborah Deborah https://secure.gravatar.com/avatar/33796afece385634de1e5afedc90d1926eaaab92da2f4939d39ca66faaca0aa6?s=96&d=mm&r=g December 12, 2013 December 2, 2014

Overview: Number sentences involving absolute value refer to a number’s distance from zero. Absolute value has a number of applications, including measurements and tolerances. It is important to read problems…

Deborah
December 12, 2013
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Ratios and Proportions

Ratios and Proportions https://schooltutoring.com/help/wp-content/themes/movedo/images/empty/thumbnail.jpg 150 150 Deborah Deborah https://secure.gravatar.com/avatar/33796afece385634de1e5afedc90d1926eaaab92da2f4939d39ca66faaca0aa6?s=96&d=mm&r=g December 12, 2013 December 2, 2014

Overview: Ratios and proportions are common ways to compare numbers. They have many mathematical applications, such as scale models, percentages, and interest. Ratios and proportions can be set up with…

More Problem-Solving Strategies: Look for a Pattern

Math Review of Equivalent Sentences

Using Formulas to Solve Math Problems

Math Review: Fractions to Decimals

Introduction to Rational Numbers

Math Review of the Number Pi

Math Review of Positive and Negative Exponents

Solving for a Variable

Math Review of Absolute Value

Ratios and Proportions

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