Aviation Mechanic - General, Airframe, and Powerplant › I. General › Task H. Mathematics

AM.I.H.S6

Skill

Compare two numerical values using ratios.

Study note

Get a short, cited explanation of this element written from the FAA handbooks: the core idea, the numbers that matter, common test traps, and a quick self-check.

From the FAA library

Aviation Maintenance Technician Handbook - General p. 3-7
Chapter 3: Mathematics in Aviation Maintenance › Ratio
starting at 1⁄64 inch and up to 3 inches have been converted to decimal numbers and to millimeters. Ratio A ratio is the comparison of two numbers or quantities. A ratio may be expressed in three ways ... fraction, with a colon, or with the word “to.” For example, a gear ratio of 5:7 can be expressed as any of the following: 5⁄7 or 5:7 or 5 to 7 Aviation Applications Ratios have widespread application…
Aviation Maintenance Technician Handbook - General p. 3-1
Chapter 3: Mathematics in Aviation Maintenance › Whole Numbers › Addition of Whole Numbers
Whole numbers can be thought of as counting numbers. Addition of Whole Numbers Addition is the process where the value of one number is added to the value of another. The result is called the sum. When working with whole ... numbers, it is important to understand the principle of the place value. The place value in a whole number is the value of the position of each individual digit within the entire number. For example, in the number…