Thursday, May 16, 2013

Use Excel to solve math word problem on inventory tracking


Excel  is great tool for solving math problems related to inventory tracking.  Sixth grader should be taught to use Excel to help them understand and solve  inventory problems.  First demonstrate how to manually track and maintain Classroom furniture and art supply inventory.  Next, manually determines the total cost to restock  items that are below required inventory limit.

Next, use a laptop computer, Microsoft Excel, and the Smart Board to demonstrate how the same problems are solved using Excel spread sheet.

Advantage of using Microsoft Excel:

Using Spread sheet to track inventory, what items and how many to order, and  calculate total cost of the purchase order.  Once the formulas and charts are set up properly in the spread sheet, any changes to the furniture, art supplies, and item unit prices, all the dependent data such as the quantity to order, the total purchase costs,  and all the bar charts and pie charts are automatically updated to reflect the change.  Spread sheet user don't have to belabor themselves with the calculations or updates to the pie charts and bars charts.

The most costly items can be readily identified visually by examining pie chart and percentages which are automatically calculate when pie chart is added for select group of data cells.


TechPACK components
What is known
What must be learned
Technology
Laptop personal computer basic, spread sheet basics, Microsoft Word basics.
Spread sheet, insert math function, insert bar graphs, pie charts.  Research online for Excel tutorial software.
Pedagogy
Model how to solve a small inventory tracking and reorder problem by applying addition, subtraction and multiplication of decimal numbers and whole numbers.
Model a small inventory tracking and reorder problem using Excel spread sheet
Content
Decimal Number Addition, Percentage.  Solve word problem in everyday situation by applying whole number and decimal addition / subtraction.
Using Microsoft spread sheet to solve the inventory problem


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