7h spreadsheets this week: spreadsheets- functions and formulae
TRANSCRIPT
7HSPREADSHEETS
This week:
Spreadsheets- functions and formulae
STARTER
Check your emails
This week I have made another workbook for you to complete.
Open the file attached to the email I have sent you.
Complete the starter activity on the first tab.
Please let me know if you missed last lesson.
LEARNING OBJECTIVES
Differentiate between label, value and formula
Implement formulae confidently in Excel
Explain the use of the SUM and AVERAGE functions
SOME:
Apply knowledge of formulae and functions to help model solutions to scenarios
LABEL, VALUE, FORMULA
Mini-plenary:
Someone give me an example of:-
• A label
• A value
• A formula
WHAT IS WRONG WITH THIS FORMULA?
=1A+3G
CELL REFERENCES USE COLUMN LETTER, ROW NUMBER
=A1+G3
REWARD POINTS!!!
WHAT IS WRONG WITH THIS FORMULA?
=AA10÷A10
WE DON’T USE ÷, WE USE /!=AA10/A10
WHAT IS WRONG WITH THIS FORMULA?
W10-Z13
ALL FORMULAE BEGIN WITH ==W10-Z13
WHAT IS WRONG WITH THIS FORMULA?
=A6xA7
We use * for multiply, not x=A6*A7
WHAT IS WRONG WITH THIS FORMULA?
=A1+A2+A3+A4+A5
Use functions such as SUM to make formulae shorter.
=SUM(A1:A5)
RULES FOR FORMULAE
Formulae always start with the equals symbol =
We use * to multiply not X! We use / to divide, not ÷ Functions such as SUM and AVERAGE
can help us write shorter formulae.
FUNCTIONS
SUM is the function we use to total a list of numbers.
A volunteer to show how we would work out the total of the numbers in column D!
FUNCTIONS
AVERAGE – what is an ‘average’?
How do we work this out in maths?
What is the average of the numbers in row 7?
A volunteer to show how we would work out the average of the numbers in row 7.
MAIN ACTIVITY
1. Finish the Starter Activity tab if you have not yet completed it.
2. Move onto the “SUM and AVERAGE” tab.
3. Ask the person next to you if you need help, else ask me.
4. If you finish, move onto the “Modelling #2” tab. Only use the ‘help’ buttons if you are really stuck!
MODELLING
Modelling is the process of designing a computerised solution to a real-world problem or scenario.
Another volunteer needed!
Bessy has 3 cats and 1 dog and spends £5 a week on her pets.
Albert has 0 cats and 2 dogs and spends £10 a week on his pets.
Jill has 9 cats and 1 dog and spends £23 a week on her pets.
PLENARY
“Quiz your classmates”
Remember our learning objectives:
Differentiate between label, value and formula
Implement formulae confidently in Excel
Explain the use of the SUM and AVERAGE functions
Apply knowledge of formulae and functions to help model solutions to scenarios
GOODBYE!
Homework will be emailed to you and put on the learning gateway