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# Mathematics Test for Praxis I: Pre-Professional Skills Test Study Guide (page 3)

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Updated on Jul 5, 2011

### Geometry and Measurement

• Geometric properties: These questions require an ability to use geometric properties and relationships in real-life applications.
• The xy-coordinate plane: These questions require you to use coordinate geometry to represent geometric concepts.
• Geometric reasoning: These questions require the ability to interpret statements that use logical connectives or quantifiers, use reasoning to determine whether an argument is valid or invalid, and identify a generalization or an assumption.
• Systems of measurement: These questions require an ability to demonstrate basic understanding of the U.S. customary and metric systems of measurement. You should be able to convert from one unit to another and recognize correct units for making measurements.
• Measurement: These questions require an ability to recognize the measurements needed to solve a problem. You must also be able to solve for area, volume, and length, including using formulas, estimation, and rates, and comparisons.

### Data Analysis and Probability

• Data interpretation: These questions require an ability to read and interpret displays of information, including bar graphs, line graphs, pie charts, pictographs, tables, scatterplots, schedules, simple flowcharts, and diagrams. You must also have the ability to recognize relationships and understand statistics.
• Data representation: These questions require an understanding of the correspondence between data sets and their graphical displays.
• Trends and inferences: These questions require an ability to recognize, compare, contrast, and predict based on given information and an ability to make conclusions or inferences from given data.
• Measures of central tendency: These questions involve mean, median, mode, and range.
• Probability: These questions require an ability to evaluate numbers used to express simple probability and to figure the probability of a possible outcome.

### Computer versus Paper

There are small differences between the Praxis I written and computer-based tests: