# Math 105: Mathematical Reasoning

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## Course Information Heading link

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### Course Prerequisites:

One of:

- Credit or concurrent registration in MATH 104.
- Appropriate score on the math placement test.

### Course Description

This course covers a practical breadth of mathematics, with a focus on math encountered in everyday life. It aims to show the relevancy and usefulness of mathematics and to make it meaningful by putting it in an appropriate context. In this course there is a focus on problem solving with a hands-on and learn-by-doing approach.

### Course Topics:

- Unit I: Geometry, Measurement, and Unit Analysis – Chapters 1 and 2
- Unit II: Linear Equations – Chapter 3
- Unit III: Personal Finances – Chapters 4, 5, and 6
- Unit IV: Statistics – Chapters 10, 11, and 12

### Credit Awarded

4 hours of credit (some exceptions noted below)

Credit is not given for MATH 105 if the student has credit in MATH 118 or MATH 121 or MATH 160 or MATH 165 or MATH 170 or MATH 180 or the equivalent. **No graduation credit for architecture, business administration, or engineering students. **

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### Course Materials:

#### Textbook

*College Mathematics, First Edition*, published by Scottsdale Community College. This is an open-source textbook.

Students may access PDF copies through MyOpenMath or on Blackboard. Supplementary notes for the textbook are also available on Blackboard.

#### MyOpenMath

This is web-based learning software. This will be used for online homework. In MOM, one has access to an electronic version of a text book. MOM is an open-source platform and is FREE to use.

#### Calculator

A scientific calculator is *required* in each class. Cell phone calculators will not be permitted on the midterm or final exams. Texas Instruments graphing calculator (such as a TI-83/83 or TI-84) is recommended.

## List of Topics Heading link

Section | Topic(s) |
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1.1 | Geometry Basics |

1.2 | Perimeter |

1.3 | Area |

1.4 | The Pythagorean Theorem |

1.5 | Circles |

1.6 | Perimeter and Are of composite Figures |

1.7 | Volume |

2.1 | Length (English System) |

2.2 | Weight (English System) |

2.3 | Capacity |

2.4 | Metric System |

2.5 | Converting Between Systems |

2.6 | Problem Solving with Rates and Dimensional Analysis |

3.1 | Functions |

3.2 | Equations of Lines, Intercepts and Graphing, Rate of Change and Initial value Interpretations, Linear Equation Word Problems, Revenue and Profit Functions |

3.3 | Linear Regression |

3.4 | Correlation |

4.1 | Percentage Basics |

4.2 | Applications Involving Percentages |

4.3 | Absolute and Relative Change |

4.4 | Percent Increase/Decrease |

4.5 | Exponential Functions |

5.1 | Simple Interest |

5.2 | Compound Interest |

5.3 | Annual Percetage Yield |

6.1 | Annuities |

6.2 | Payout Annuities |

6.3 | Loans |

10.1 | Population vs. Sample |

10.2 | Sampling |

10.3 | Problems |

10.4 | Expirements |

11.1 | Describing a Distribution |

11.2 | Measures of Central Tendency |

11.3 | Measures of Variation |

11.4 | Quartiles, 5-Number Summary, Hisograms, Boxplots |

12.1 | The Normal Distribution |

12.2 | The Empirical Rule |

12.3 | Standard Scores (z-scores) |

12.4 | Finding Percentages with Normally Distributed Variables |