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Perform arithmetic operations on whole numbers and fractions.
Assessment Strategies
Oral, Written or Graphic Assessment
Criteria
apprentice selects mathematical operation that matches the given situation
apprentice solves word problems and/or dimensional drawing problems
apprentice converts all fractions
apprentice converts all decimals
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Determine powers and roots.
Assessment Strategies
Oral, Written or Graphic Assessment
Criteria
apprentice correctly determines the use of powers and or roots as needed for the problem
apprentice explains the use of powers or roots to solve area problems
apprentice calculates area
apprentice calculates powers
apprentice calculates roots
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Solve percentage, ratio and proportion problems.
Assessment Strategies
Oral, Written or Graphic Assessment
Criteria
apprentice selects mathematical operation that matches the given situation
apprentice solves word problems and/or dimensional drawing problems
apprentice correctly sets up a ratio equation
apprentice correctly sets up a proportion equation
apprentice calculates percentages
apprentice calculates proportions
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Perform arithmetic operations on signed numbers.
Assessment Strategies
Oral, Written or Graphic Assessment
Criteria
apprentice selects mathematical operation that matches the given situation
apprentice calculates tool height offsets
apprentice indicates the correct sign (positive or negative)
offset calculations are according to industry accepted rules for signed numbers
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Evaluate expressions involving order of operations.
Assessment Strategies
Oral, Written or Graphic Assessment
Criteria
the solution is arrived at according to order of operations
the solution numeric values are substituted for literals
the solution shows order of operations applied to expression
the solution is stated to the specified precision
the solution formula(s) selected match given situation
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Solve equations.
Assessment Strategies
Oral, Written or Graphic Assessment
Criteria
the equation is set up to solve for the required dovetail opening
the equation required unknown is isolated according to principles of equality
the equation solution is determined with accuracy using principles of equality