top of page

# 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 Assessedâ€‹

• 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.

â€‹

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

â€“ Solve Volume/Volume (V/V) and Weight/Volume (W/V) solution calculations
â€“ Solve Molarity solution calculations
â€“ 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.

Quantitative Lab Skills: Welcome
bottom of page