# APPT 124: MATHEMATICS FOR RESIDENTIAL PLUMBING

## Foothill College Course Outline of Record

Heading | Value |
---|---|

Units: |
2.5 |

Hours: |
18 lecture, 36 laboratory per quarter (54 total per quarter) |

Prerequisite: |
Per California Code of Regulations, this course is limited to students admitted to the Residential Plumbing Apprenticeship Program. |

Advisory: |
Current employment in the pipe trades industry; not open to students with credit in APRT 195. |

Degree & Credit Status: |
Degree-Applicable Credit Course |

Foothill GE: |
Non-GE |

Transferable: |
None |

Grade Type: |
Letter Grade (Request for Pass/No Pass) |

Repeatability: |
Not Repeatable |

## Student Learning Outcomes

- A student will be able to calculate pipe fitting allowances in pipe measurements.
- A student will be able to perform mathematical operations.
- A student will be able to calculate piping off-sets.

## Description

## Course Objectives

The student will be able to:

A. Perform simple addition, subtraction, multiplication and division

B. Calculate pipe measurements and fitting allowances

C. Perform off-set calculations

D. Demonstrate proficiency in use of a calculator

## Course Content

A. Perform simple addition, subtraction, multiplication and division

1. Add, subtract, multiply and divide fractions

2. Perform math operations with decimals, percentages

3. Convert decimal dimensions to feet and inches

4. Create mathematical formulas from written content

5. Mathematically convert various units of measurement

6. Define algebra terms

B. Calculate pipe measurements and fitting allowances

1. Calculate pipe fitting take-offs

2. Use algebra and equations as a problem solving strategy

3. Review units of measurement for length, area, and volume

4. Calculate pipe length when offsetting around objects

5. Define geometry terms

6. Review triangle basics

C. Perform off-set calculations

1. Apply Pythagorean Theorem and 3-4-5 method

2. Apply triangles to piping applications

3. Perform geometry and triangle calculations

4. Use geometry and triangles in field applications

5. Perform parallel offset layout calculations

D. Demonstrate proficiency in use of a calculator

1. Calculate volume in various plumbing applications

2. Calculate pressure in various plumbing applications

3. Apply trigonometry to piping problems

## Lab Content

A. Layout 90 degree corner using 3-4-5 triangle method

B. Layout 45 degree offset

C. Layout parallel piping offset

## Special Facilities and/or Equipment

## Method(s) of Evaluation

A. Results of written exercises, short quizzes, and end of session and end of module assessment

B. Results of class participation

C. Maintenance of a student's workbook with questions drawn from text

## Method(s) of Instruction

Lecture, hands-on assignments and demonstrations.

## Representative Text(s) and Other Materials

International Pipe Trades Joint Training Committee, Inc. Related Math. Upper Marlboro, MD: International Pipe Trades Joint Training Committee, Inc., 2016.

NOTE: This is the standard Plumbing/Pipe Trades textbook/workbook used for this course. Although it may not be within 5 years of the required published date, it is the most current book used when teaching this course.

## Types and/or Examples of Required Reading, Writing, and Outside of Class Assignments

A. Readings from assigned textbook.

1. Lessons on Basic Math Review, chapter 1

2. Pipe Measurements-One, chapter 2

B. Writing assignments given in the laboratory.

1. Answer study questions in assigned text, chapters 1 and 2

2. Record field notes from lab activity piping projects