9 Math in the Workplace

​Denominator

Found above horizontal line or /

"Part you have"

Numerator

Found below horizontal line or /

"total of parts(whole)"

a fraction with a denominator (or multiple) of 10

such as 100, 1000, and 10,000

​t

To find the percent divide the numerator by the denominator

​Employers expect High school students to be able to add, subtract, multiply and divide.

​​Math Skills expected

The impression a customer has of you can be affected by how well you count change. It increases customer satisfaction and avoids embarrassment for you.

Counting Change

​divide the denominator into the numerator. Bottom divided by top
3/4 = 75%

Change a fraction into a decimal

​t

length or distance

​Linear Measurement

​Length x Width

• calculation of the amount of space within the borders of a geometric shape. The area may be a simple shape, such as square, rectangle, parallelogram, triangle, or circle.

base X height

​Laser

Tools used to find distance, temperature, weights, volume of liquids, airflow, and liquid flow and pressure into numbers on a digital display. This type of measuring is more accurate than the traditional ruler, mercury thermometer, and rain gauge.

​Digital

​Tool used to determine distance by projecting a light beam. You can also use a laser to measure for windows, tiling a room, painting, laying carpet, and many other measuring tasks. They may also be used for addition, subtraction, calculating area, and determining volume.

mode

mathematical
average
(1,3,5,6,10)
(added) = 25
25/5#=5

mean

​median

number in the middle
(1,3,5,7,8)

number that occurs most frequently
(1,3,3,5,6,10)

Competing in the world market

​​US manufactures use of Metric System

meter-distance
gram - weight
liter-volume
Celsius - temperature

​​Common Metric measurements

​Often used on Speedometers in US cars showing both
MPH and km/h

Kilometers

Line graph
relationship
between 2 or
more variables

​Bar graph
compares categories

​horizontal lines

​vertical lines

​table

Circle graph/Pie chart

graph made with use of images

Pictograph

​compares parts to whole