Types of Strategies to SolvePercentage ProblemsBy: Kari Knisely
What you will learn…When and how to use the following strategies:10% RulePercent ProportionPercent EquationPercent of ...
What you will need…Take notes as needed in order to familiarize yourself with thestrategies presented.PencilPaper
10% Rule Great way to estimate any percentage problem
10% Rule Move the decimal 1 place to the left               10% of 40 = 4.0               10% of 32.6 = 3.26             ...
10% Rule – Example 140% of 25 = ?      10% of 25 = 2.5                   10% of 25 = 2.5                   10% of 25 = 2.5...
10% Rule –Example 230% of 30 = ?      10% of 30 = 3.0                   10% of 30 = 3.0                   10% of 30 = 3.0 ...
10% Rule –Example 330% of 30 = ?      10% of 30 = 3.0                   10% of 30 = 3.0                   10% of 30 = 3.0 ...
Percent ProportionNonPercentage               Part =    %    Percentage                              AmountAmount        W...
Percent Proportion – Example 1NonPercentage               Part =    %    Percentage                              AmountAmo...
Percent Proportion – Example 2NonPercentage               Part =    %    Percentage                              AmountAmo...
Percent Proportion – Example 3NonPercentage               Part =    %    Percentage                              AmountAmo...
Percent Equation     %  Whole = Part
Percent Equation – Example 1     %  Whole = Part
Percent Equation – Example 2     %  Whole = Part
Percent Equation – Example 3     %  Whole = Part
Percent of Change Equation –   Example 1New – Old = Percent of Change  Old
Tic-Tac-ToeWhole/Original           StartAmount             100Change (+ or -)                     %   + or -Part of Origi...
Tic-Tac-Toe – Example 1Whole/Original                StartAmount               100Change (+ or -)                        %...
What you learned…When and how to use the following strategies:10% RulePercent ProportionPercent EquationPercent of Cha...
Works Cited All images retrieved from Google images
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Module3

  1. 1. Types of Strategies to SolvePercentage ProblemsBy: Kari Knisely
  2. 2. What you will learn…When and how to use the following strategies:10% RulePercent ProportionPercent EquationPercent of Change EquationTic-Tac-Toe Table
  3. 3. What you will need…Take notes as needed in order to familiarize yourself with thestrategies presented.PencilPaper
  4. 4. 10% Rule Great way to estimate any percentage problem
  5. 5. 10% Rule Move the decimal 1 place to the left 10% of 40 = 4.0 10% of 32.6 = 3.26 10% of 2 = .2 10% of 5,345 = 534.5
  6. 6. 10% Rule – Example 140% of 25 = ? 10% of 25 = 2.5 10% of 25 = 2.5 10% of 25 = 2.5 10% of 25 = 2.5 40% of 25 = 10.0
  7. 7. 10% Rule –Example 230% of 30 = ? 10% of 30 = 3.0 10% of 30 = 3.0 10% of 30 = 3.0 30% of 30 = 9.0
  8. 8. 10% Rule –Example 330% of 30 = ? 10% of 30 = 3.0 10% of 30 = 3.0 10% of 30 = 3.0 30% of 30 = 9.0
  9. 9. Percent ProportionNonPercentage Part = % Percentage AmountAmount Whole 100 is % = 100 Non Percentage Percentage Amount of Amount
  10. 10. Percent Proportion – Example 1NonPercentage Part = % Percentage AmountAmount Whole 100 is % = 100 Non Percentage Percentage Amount of Amount
  11. 11. Percent Proportion – Example 2NonPercentage Part = % Percentage AmountAmount Whole 100 is % = 100 Non Percentage Percentage Amount of Amount
  12. 12. Percent Proportion – Example 3NonPercentage Part = % Percentage AmountAmount Whole 100 is % = 100 Non Percentage Percentage Amount of Amount
  13. 13. Percent Equation %  Whole = Part
  14. 14. Percent Equation – Example 1 %  Whole = Part
  15. 15. Percent Equation – Example 2 %  Whole = Part
  16. 16. Percent Equation – Example 3 %  Whole = Part
  17. 17. Percent of Change Equation – Example 1New – Old = Percent of Change Old
  18. 18. Tic-Tac-ToeWhole/Original StartAmount 100Change (+ or -) % + or -Part of OriginalAmount % End
  19. 19. Tic-Tac-Toe – Example 1Whole/Original StartAmount 100Change (+ or -) % + or -Part of OriginalAmount % End
  20. 20. What you learned…When and how to use the following strategies:10% RulePercent ProportionPercent EquationPercent of Change EquationTic-Tac-Toe Table
  21. 21. Works Cited All images retrieved from Google images

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