The Algebra Teacher\'s Guide to Reteaching Essential Concepts and Skills

Name Date WORKSHEET 2.9: SUBTRACTING RATIONAL NUMBERS -------------------------------------------------------------------------- ...

Teaching Notes 2.10: Multiplying and Dividing Rational Numbers When students multiply and divide positive rational numbers, they ...

Name Date WORKSHEET 2.10: MULTIPLYING AND DIVIDING RATIONAL NUMBERS ------------------------------------------------------------ ...

Teaching Notes 2.11: Expressing Large Numbers in Scientific Notation Scientific notation is a type of mathematical shorthand for ...

Name Date WORKSHEET 2.11: EXPRESSING LARGE NUMBERS IN SCIENTIFIC NOTATION ------------------------------------------------------ ...

Teaching Notes 2.12: Evaluating Rational Expressions Evaluating expressions when variables represent rational numbers involves t ...

Name Date WORKSHEET 2.12: EVALUATING RATIONAL EXPRESSIONS ---------------------------------------------------------------------- ...

Teaching Notes 2.13: Writing Ratios Correctly When students write ratios, they may inadvertently switch the order of the terms, ...

Name Date WORKSHEET 2.13: WRITING RATIOS CORRECTLY ----------------------------------------------------------------------------- ...

Teaching Notes 2.14: Writing and Solving Proportions A common error in writing and solving proportions occurs when students set ...

Name Date WORKSHEET 2.14: WRITING AND SOLVING PROPORTIONS ---------------------------------------------------------------------- ...

Teaching Notes 2.15: Expressing Fractions as Percents Fractions can be expressed as percents via two different methods: changing ...

Name Date WORKSHEET 2.15: EXPRESSING FRACTIONS AS PERCENTS --------------------------------------------------------------------- ...

Teaching Notes 2.16: Expressing Percents as Fractions Expressing percents as fractions is relatively easy for most students. A c ...

Name Date WORKSHEET 2.16: EXPRESSING PERCENTS AS FRACTIONS --------------------------------------------------------------------- ...

Teaching Notes 2.17: Solving Percent Problems Three types of percent problems are addressed in most algebra curriculums: finding ...

Name Date WORKSHEET 2.17: SOLVING PERCENT PROBLEMS ----------------------------------------------------------------------------- ...

Teaching Notes 2.18: Finding the Percent of Increase or Decrease Although related, an increase and percent of increase are quite ...

Name Date WORKSHEET 2.18: FINDING THE PERCENT OF INCREASE OR DECREASE ---------------------------------------------------------- ...

Teaching Notes 2.19: Converting from One Unit of Measurement to Another Using the Multiplication Property of One A common mistak ...