Competency map - MEM12.24A – Perform computations

Performance criteria	Skill Set	Task
Element 1: Determine work requirement
1.1 Required outcomes are established from job instructions.	Drawing	Interpret a drawing. Understand 2 & 3 dimensional drawings.
1.2 Data is obtained from relevant sources and interpreted correctly.	Drawing	Interpret a drawing. Understand 2 & 3 dimensional drawings.
1.3 Required calculation method is determined to suit the application, including selection of relevant arithmetic operations and/or formulae.	Calculations	Calculate length, perimeter, area and volume. Dealing with fractions. Perform simple algebraic experssions.
1.4 Expected results are estimated, including rounding off, as appropriate.	Calculations	Round off numbers.
Element 2: Perform calculations
2.1 Calculation method is applied correctly.	Template making Calculations	Construct shapes using parallel lines. Construct shapes using triangulation. Calculate length, perimeter, area and volume. Dealing with fractions. Perform simple algebraic expressions. Perform the 4 basic rules. Round off numbers. Perform simple algebraic expressions. Round off numbers.
2.2 Correct answer is obtained.	Template making
2.3 Answer is checked against estimation.	Calculations
Element 3: Produce charts and graphs from given information
3.1 Data is transposed accurately to produce charts or graphs.	Template making	Construct shapes using parallel lines. Construct shapes using radial lines. Construct shapes using triangulation. Check accuracy of patterns.
3.2 Charts or graphs accurately reflect data on which they are based.	Template making

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