2.1. Appropriate measuring instrument is selected to achieve required outcome
2.2. Accurate measurements are obtained for job
2.3. Calculation needed to complete work tasks are performed using the four basic process of addition (+), subtraction (-), multiplication (x), and division (/)
2.4. Calculation involving fractions, percentages and mixed numbers are used to complete workplace tasks.
2.5. Numerical computation is checked and corrected for accuracy
2.6. Instruments are read to the limit of accuracy of the tool.