1a,+Arithmetic+-+Standards

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 * =1a: Arithmetic= ||= v0.1 Nov 2011
 * = [[image:Icon-Lightbulb.png width="25" height="24"]] ||=  ||= 1 ||< Can explain the difference between **integers**, **rational** and **irrational** numbers ||
 * || [[image:Icon-Spanner.png width="25" height="29"]] || 2 || Can add, subtract, multiply and divide **directed numbers**. ||
 * || [[image:Icon-Spanner.png width="25" height="29"]] || 3 || Can add, subtract, multiply and divide **fractions**. ||
 * || [[image:Icon-Spanner.png width="25" height="29"]] || 4 || Can convert **repeating decimals** to fractions. ||
 * || [[image:Icon-Spanner.png width="25" height="29"]] || 5 || Can calculate **powers and roots of numbers** (using a calculator). ||
 * [[image:Icon-Lightbulb.png width="25" height="24"]] ||  || 6 || Can use **scientific notation**. ||
 * || [[image:Icon-Spanner.png width="25" height="29"]] || 7 || Can round to specific number of decimal places or **significant figures**. ||
 * [[image:Icon-Lightbulb.png width="25" height="24"]] || [[image:Icon-Spanner.png width="25" height="29"]] || 8 || Can use the index laws to simplify expressions involving **negative and fractional exponents**. ||
 * [[image:Icon-Lightbulb.png width="25" height="24"]] ||  || 9 || Can explain how right triangle problems may produce **irrational numbers**. ||
 * [[image:Icon-Lightbulb.png width="25" height="24"]] || [[image:Icon-Spanner.png width="25" height="29"]] || 10 || Can express **surds** in simplified form. ||
 * || [[image:Icon-Spanner.png width="25" height="29"]] || 11 || Can apply arithmetic operators on surds. ||
 * || [[image:Icon-Spanner.png width="25" height="29"]] || 12 || Can expand binomial surd products. ||
 * [[image:Icon-Lightbulb.png width="25" height="24"]] || [[image:Icon-Spanner.png width="25" height="29"]] || 13 || Can "**rationalise the denonimato**r" of fractions involving surds and their **conjugate**. ||
 * [[image:Icon-Lightbulb.png width="25" height="24"]] ||  || 14 || Can compare the value of two surds and evaluate for equality. ||

Source document for this table: @https://docs.google.com/spreadsheet/ccc?key=0AiVkChxwrC4DdHVqVXk2MUlJWm4tMDdNemFiMjl6WUE