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Teach Yourself

• Rules of arithmetic
  Evaluating expressions involving numbers is one of the basic tasks in arithmetic. But if an expression is complicated then it may not be clear which part of it should be evaluated first, and so some rules must be established. There are also rules for calculating with negative numbers.

Test Yourself

• Diagnostic Test - Rules of Arithmetic
• Exercise - Rules of Arithmetic

iPOD Video

• Rules of Arithmetic (1) - Introduction
  This video segment discusses the importance of considering the order in which operations are carried out.
• Rules of Arithmetic (2) - the number line
  This video segment introduces the number line.
• Rules of Arithmetic (3) - addition and subtraction examples
  This video segment continues introductory work on arithmetic.
• Rules of Arithmetic (4) - The rules of addition
  This video segment continues to introduce arithmetical ideas - rules of addition.
• Rules of Arithmetic (5) - Multiplication examples
  This video segment continues to introduce arithmetical ideas - it deals with how we multiply positive and negative numbers.
• Rules of Arithmetic (6) - The rules of multiplication
  This video segment continues to introduce arithmetic - it explains the rules we use when multiplying positive and negative numbers.