2004 Refrigeration Training Services - R1 Subject 4 Basic Math Measurement v1.2 1 Measurements...
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© 2004 Refrigeration Training Services - R1 Subject 4 Basic Math & Measurement v1.2 1
Measurements
• Inches• Feet• Yard
Basic Math & Measurement
© 2004 Refrigeration Training Services - R1 Subject 4 Basic Math & Measurement v1.2 2
12 inches = 1 foot12 = 1
Linear Measurement1 inch
1
12 inches = 1 foot 36 inches = 1 yard3 feet = 1 yard
© 2004 Refrigeration Training Services - R1 Subject 4 Basic Math & Measurement v1.2 3
Fraction of an Inch
¼¼½ ¼¾ ¼1
© 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
© 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”
© 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
© 2004 Refrigeration Training Services - R1 Subject 4 Basic Math & Measurement v1.2 7
Calculating Area
1 2 3 4 5 6 7 8 9 10 11
2
12
3
4
5
6
7
8
9
10
11
12
11 1 x 1 = 1 square inch
12 x 12 = 144 square inches
12
12