QUANTITATIVE SKILLS LEVEL 1
Concentration and Dilution Calculations
Objective Measured
Evaluate the accuracy and reasonableness of calculations.
Convert numbers from standard to scientific notation format.
Perform calculations for preparing a weight per volume percent and percent by volume or weight solutions.
Perform calculations to determine the amount of solute to add to create a solution, given a final description of normality, molarity, or molality.
Perform calculations given a standard equation and one or more variables.
Performance Assessed
Individual will be asked to talk-aloud about the problem-solving approach and each step of the calculation.
Given a number in standard format, the individual will provide the number in scientific notation.
Calculations performed to determine how much solute and solvent to use to prepare a given solution.
Calculations performed to determine how much solute and solvent to use to prepare a given solution.
Credential Alignment
Washington Biotechnology/Biomedical Skill Standards
B2 Conduct simple analyses of data and process information
B4 Troubleshoot experiments and equipment and perform data analysis. Mathematical formulae are correctly selected and applied. Correct data set is used. Calculations are properly documented. Data integrity is preserved. Out-of-range or out-of-specifications results are identified.
BACE
Skill Category: Applied Mathematics in Biotechnology
Use scientific notation, significant digits, and decimals correctly
Perform calculations for serial dilutions
Perform calculations using dilution ratios
Make conversions within the metric system, and use metric measurements
– Solve Volume/Volume (V/V) and Weight/Volume (W/V) solution calculations
– Solve Molarity solution calculations
– Solve Dilution Factor calculations
Core Skill Standards for Bioscience Technicians
Critical Work Function: Perform mathematical manipulations
Key Activities
Perform calculations relating to work function
Given an equation, and 1 or more values, the student will be asked to solve the equation.