Psych 250 assumes proficiency in the topics listed below. If you need a review of this material, read the model problems for the topic and then answer the corresponding practice exercises. Make sure to check your answers. If you have problems with any of these and need assistance, check for the hours that the Dolciani Math Learning Center is open for support in advance of or at the beginning of the semester.

The brush-up materials for PSYCH 250 are in two parts:

(1) The PDFs below include brush-up skills on selected topics.

Working with Integers
Working with Fractions
Working with Formulas
Working with Exponents
Working with Decimals
Working With Proportions
Working with Rational Numbers
Using Order of Operations
Comparing and Ordering Fractions, Mixed Numbers and Decimals
Converting Between Fractions, Decimals and Percents
Understanding Mean, Median, and Mode
Understanding How to Read Graphs
Understanding Graphs of Linear Equations
Rounding Whole Numbers and Decimals
Solving Problems Involving Percents
Calculating Variance and Standard Deviation
Solving Linear Equations
Solving Basic Word Problems

(2) The multi-media materials in the Dolciani Math Center encompass reviews and practice problems on all of the prerequisite skills necessary to be successful in your course.

Come to the Dolciani Math Center in the 7th floor of the library, receive a brief orientation and then you are set to use these materials either in the Center or at home.

Return to Brush-Up Skills