โฑ๏ธ Do It Now
Create a OneNote Page and copy this into the title:
Lesson 3 - Summer 2 - Cells and Formulae
Copy this into a OneNote Page and complete it
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๐ Do It Now |
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Answer each of the following: (1) What is a spreadsheet?   (2) What is the difference between a row and a column?   (3) Give two reasons why businesses use spreadsheets.   (4) What advantage does a spreadsheet have over a calculator? ExtensionWhy might a school use a spreadsheet to track attendance?   |
๐ฏ Learning Objectives
- LO1: Understand what formulae are
- LO2: Explain the difference between data and formulae
- LO3: Create and edit formulae using operators and cell references
๐งฎ Understanding Formulae
Watch THIS VIDEO if you are working independently
Two Cells, Same Answer?
| A | B | |
|---|---|---|
| 1 | 15 | 15 |
Both cells display 15. Are they actually the same thing?
Double click on a cell to find out
The difference?
Cell A1 contains a data value (15)
Cell B1 contains a formula (calculation of two values, where the answer will be displayed in the cell)
Formula Bar vs Result
The Formula Bar displays the formula that has been written to a cell.
The result of the formula appears in the cell
| A | B | C | |
|---|---|---|---|
| 1 | 10 | 5 | 15 |
Click to see what it looks like in excel
Formulae Are Instructions
| A | B | C | |
|---|---|---|---|
| 1 | 10 | 5 | 15 |
- Read A1 โ 10
- Read B1 โ 5
- Add values
- Display answer
Interactive Spreadsheet Simulator
| A | B | C | |
|---|---|---|---|
| 1 | 10 | 5 | 15 |
Select a different Operator to change the calculation
๐งฎ Accessing and Saving The Lesson Spreadsheet
Your teacher will now show you how to:
- Download today's spreadsheet
- Upload this to your computing folder (in OneDrive)
- Share a link to the spreadsheet on today's OneNote
๐ฅ Alternatively: Watch This Video
๐ Completing The First Tab
Watch THIS VIDEO if you are working independently
The first tab of the spreadsheet contains a set of values in order for you to complete your own formulae
(1) You must write your formulae in the yellow boxes.
(2) Once you have completed a formula, press the enter key
There is also an extension activity; to write your own formulae - make sure they are as complex as you can make them.
Click For Further Support
๐ Completing The Second Tab
Watch THIS VIDEO if you are working independently
Complete the spreadsheet on the second tab to calculate how many emeralds Archie the wandering trader has earned
Click to see the sheet
One of the challenges asks you to calculate the total minus VAT.
VAT is a special tax paid by businesses and is currently 20%.
You must use your understanding of percentage increase / decrease (taught to you in Maths) in order to calculate this.
๐ Written Activity
Copy this into your OneNote Page and complete it
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๐ Independent Activity - Explaining Formulae |
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Instruction: Use annotated screenshots and clear descriptions to explain the following formulae
Remember to:
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๐ MWB Reflection Task
- What is the difference between data and a formula?
- What symbol must every formula start with?
- Why are spreadsheets more useful than calculators?