These command terms indicate the depth of treatment required
for a given assessment statement. These command terms are used in IB examination
questions, so it is important that students are familiar with the following
definitions.

__Objective 1__

**Define**Give the precise meaning of a word, phrase or physical quantity.

**Draw**Represent by means of pencil lines.

**Label**Add labels to a diagram.

**List**Give a sequence of names or other brief answers with no explanation.

**Measure**Find a value for a quantity.

**State**Give a specific name, value or other brief answer without explanation or calculation.

__Objective 2__

**Annotate**Add brief notes to a diagram or graph.

**Apply**Use an idea, equation, principle, theory or law in a new situation.

**Calculate**Find a numerical answer showing the relevant stages in the working (unless instructed not to do so).

**Describe**Give a detailed account.

**Distinguish**Give the differences between two or more different items.

**Estimate**Find an approximate value for an unknown quantity.

**Identify**Find an answer from a given number of possibilities.

**Outline**Give a brief account or summary.

__Objective 3__

**Analyse**Interpret data to reach conclusions.

**Comment**Give a judgment based on a given statement or result of a calculation.

**Compare**Give an account of similarities and differences between two (or more) items, referring to both (all) of them throughout.

**Construct**Represent or develop in graphical form.

**Deduce**Reach a conclusion from the information given.

**Derive**Manipulate a mathematical relationship(s) to give a new equation or relationship.

**Design**Produce a plan, simulation or model.

**Determine**Find the only possible answer.

**Discuss**Give an account including, where possible, a range of arguments for and against the relative importance of various factors, or comparisons of alternative hypotheses.

**Evaluate**Assess the implications and limitations.

**Explain**Give a detailed account of causes, reasons or mechanisms.

**Predict**Give an expected result.

**Show**Give the steps in a calculation or derivation.

**Sketch**Represent by means of a graph showing a line and labelled but unscaled axes but with

**important features (for example, intercept) clearly indicated.**

**Solve**Obtain an answer using algebraic and/or numerical methods.

**Suggest**Propose a hypothesis or other possible answer.