Arithmetic Refresher For College

Need help brushing up on Arithmetic to prepare for college or tests? Here is a collection of Arithmetic review lessons in videos prepared by various colleges/contributors.

Arithmetic review videos by Portland Community College

• 1.1 Introduction

• Whole Numbers:Place Value & Word Names
  Expanded Form
  Rounding and Inequalities
  Addition of Whole Numbers
  Subtraction of Whole Numbers

• Multiplication of
  Whole Numbers
  Division of Whole Numbers
  Exponents and Powers of Ten
  Order of Operations: Problems with Two or More Operations

• 1.2 Factors and Fractions

• Average
  Multiples
  Divisors and Factors
  Divisibility Tests
  

• Primes and Composites
  Prime Factorization
  Least Common Multiple
  Fractions and Mixed Numbers
  

• Converting Improper Fractions to Mixed Numbers
  and vice versa
  Reducing Fractions
  Multiplication of Fractions

• Division of Fractions
  Multiplication and Division of Mixed Numbers
  Listing Fractions in Order of Value

• Addition of Like Fractions
  Addition of Unlike Fractions
  Addition of Mixed Numbers
  
  

• Subtraction of Fractions
  Subtraction of Mixed Numbers
  Order of Operations &
  Average
  

• 1.3 Decimals

• Decimal Numbers: Place Value & Word Names
  Expanded Form, Decimals to Fractions
  Ordering Decimals by Value
  

• Approximation of Decimals
  Addition of Decimals
  Subtraction of Decimals
  Multiplication of Decimals
  
  

• Multiplication & Division by Powers of Ten
  Division of Decimals
  Fractions to Decimals
  Decimals with Fractions
  Order of Operations & Average

•  
  Ratio and Proportion
  Solving Proportions
  Word Problems (Proportions)
  
  

• What is Percent?
  Changing Decimals to Percents
  Changing Percents to Decimals
  Fractions to Percents
  Percents to Fractions
  

• Fractions Decimals & Percents Review
  Solving Percent Problems
  Word Problems (Percents)
  Business Related Problems
  
  

• 1.4 Signed Numbers

• Signed Numbers
  Addition of Signed Numbers
  Subtraction of Signed Numbers
  

• Multiplication of Signed Numbers
  Division of Signed Numbers
  Review: Order of Operations

Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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