1.  © 2004 Refrigeration Training Services - R1 Subject 4 Basic Math & Measurement v1.2 1 Measurements Inches Feet Yard Basic Math & Measurement

2.  © 2004 Refrigeration Training Services - R1 Subject 4 Basic Math & Measurement v1.2 2 12 inches = 1 foot 12  = 1 Linear Measurement 1 inch 1 12 inches = 1 foot36 inches = 1 yard 3 feet = 1 yard

3.  © 2004 Refrigeration Training Services - R1 Subject 4 Basic Math & Measurement v1.2 3 Fraction of an Inch ¼¼ ¼¼ ½½ ¼¼ ¾¾ ¼¼ 11

4.  © 2004 Refrigeration Training Services - R1 Subject 4 Basic Math & Measurement v1.2 4 Fraction of an Inch Two halves in a inch Four quarters to an inch Eight eighths in a inch Sixteen sixteenths in a inch

5.  © 2004 Refrigeration Training Services - R1 Subject 4 Basic Math & Measurement v1.2 5 Other fractions of an inch 1/16” 2/16” = 1/8” 3/16” “ ¼”½”¾”

6.  © 2004 Refrigeration Training Services - R1 Subject 4 Basic Math & Measurement v1.2 6 Area of a square or rectangle Multiply the length Times the width Result is in square inches

7.  © 2004 Refrigeration Training Services - R1 Subject 4 Basic Math & Measurement v1.2 7 Calculating Area 1234567891011 2 12 3456789101112 11 11 1  x 1  = 1 square inch 12  x 12  = 144 square inches 12 