oakwood technology college task 1 - problem-solving using a table and paper-based resource in pairs...

Oakwood Technology College

Task 1 - Problem-solving using a table Task 1 - Problem-solving using a table and paper-based resourceand paper-based resource

• In pairs look at the worksheet 7.4P1a Zoo activity.doc

• Complete the first example by hand on the resource sheet, working out the cost of feeding all of the animals.

• Try and work out the costs in your mind.

• If you need to use the calculator for the totals click on My Computer – Public Area – ICT - Y7 - Calculator

• ‘Underspend’ means how much they have not spent.

• Complete the second example

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• What changes did you have to make to the second example?– the total cost for penguins has changed;(4)– the cost for lions has changed;(12)– the values in E3 and E8 have increased;– the total, E12 has increased;– the underspend, E14 has decreased;– there is less money left.

• Watch this example of the same information being changed in a spreadsheet– Public Area – ICT – Year 7 – Unit 7-4 -

7.4T1b Zoo activity.xls

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• What are the benefits of using a spreadsheet for the written task on the resource sheet?

– easier to make changes;

– the spreadsheet does the calculations;

– you can quickly see if you have any money left.

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Task 2 - Using a formula in a Task 2 - Using a formula in a spreadsheetspreadsheet

• The following will now be demonstrated

7.4 Test Results.xls from Public Area – ICT – Year 7 – Unit 7-4

– Perform the following calculations:• Addition• Subtraction• Division• Multiplication (use of *, why?)

– Copy down and across using the ‘fill handle’

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SpreadsheetsSpreadsheets

Basic terms and structures


Each cell has a unique cell reference e.g. B17

Text labels

Text labels

Columns

(letters)

Rows(number

s)

Numeric data

Column letter B

Row number 17

A worksheet


Formula

Start with =then

create the formula

When you press Enter, the formula

will automatically be calculated.

What do you think the answer will be?

Formulae can also be viewed and edited here

in the formula bar.


By dragging the

fill handle, you can copy and

paste the formula into other cells

See the fill handle (black square in bottom right of

cell)

What formula should have

been generated in

cell D13?

The data can be sorted in

alphabetical or numerical

order – using the AZ icons

The data can be displayed on a chart, using

the Chart Wizard icon

B13+C13


Task 3 - Task 3 - Setting up a simple spreadsheet

• Watch the following teacher demonstration from:– Public Area – ICT – Year 7 – Unit 7-4 -

7.4T1e Teachers’ football league.xls

• Now load the same file from:– Public Area – ICT – Year 7 – Unit 7-4 –

7.4p1f Football League Table.xls

• Complete the spreadsheet and save it into a new folder in your userarea:– Userarea – ICT – Year 7 – Unit 7-4

• If you finish early ask your teacher about absolute cell referencing.

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Plenary: Advantages and disadvantages Plenary: Advantages and disadvantages of using a spreadsheetof using a spreadsheet

• Compare the method of using a spreadsheet for recording football results with using a pen, paper, ruler and, perhaps, calculator to do the same thing.

– speed, and the ease of correcting mistakes;– the possibility of making multiple copies.

• What was difficult about the task?

– the maths;– the need to work out what the formula should

be rather than just adding or multiplying numbers together;

– the possibility of highlighting the wrong cells.

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HomeworkHomework

• Think how you would use a spreadsheet in real life.

• apply the ideas just suggested to identify two advantages and two disadvantages for their real-life examples.

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oakwood technology college task 1 - problem-solving using a table and paper-based resource in pairs...

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