IGCSE ICT - Spreadsheets using Microsoft Excel - IF statements

1. SPREADSHEETS
IF FUNCTION

2. OBJECTIVES
UNDERSTAND THE USE
OF IF FUNCTION IN
EXCEL

3. STARTER:
WHAT IS A DIFFERENCE BETWEEN A
FORMULA AND A FUNCTION IN EXCEL?

4. RECAP TASK FOR PRACTICE

5. 5
EXAMPLE 1
IF THE STUDENT MARK IS 50 OR MORE THEN THE STUDENT PASSES OTHERWISE THEY FAIL.
HOW CAN WE IMPLEMENT THIS IN EXCEL?

6. 6
=IF(LOGIC_TEST, IF TRUE, IF FALSE)
IF mark >= 50 , then “PASS”, otherwise
“FAIL”

7. 7
EXAMPLE 2
IF AN ITEM HAS A DELIVERY CHARGE ADD $10 TO THE PRICE
UNDERSTANDING THE MODEL:
• THE MODEL SHOWS ELECTRONIC ITEMS AND THE PRICE OF EACH ITEM
• SOME ITEMS HAVE A DELIVERY CHARGE - SO IF THE ITEM HAS A ‘Y’ WE MUST ADD
THE $10 TO THE PRICE TO CALCULATE THE TOTAL CHARGE.

8. 8
=IF(LOGIC_TEST, IF TRUE, IF FALSE)
IF the delivery = “Y”, then Total Charge = Price + 10, otherwise Total Charge =
Price

9. LOGICAL TESTS

10. TASK 1
• IN CELL C4 CREATE AN =IF FUNCTION TO
CALCULATE THE COMMISSION. USE THE
FOLLOWING TO HELP YOU:
• IF THE SALES IN COLUMN B >= 30000,
COMMISSION RATE IS 20%
• IF THE SALES ARE ANYTHING LESS,
COMMISSION RATE IS 1%
• COPY THE COMMISSION RATE FORMULAE
DOWN COLUMN C TO CALCULATE
COMMISSIONS FOR ALL OF THE OTHER REPS.
• CHANGE YOUR COMMISSION RATE INPUT
CELLS IN COLUMN F TO CHECK THAT
YOUR =IF FUNCTION IS WORKING
CORRECTLY

11. TASK 2 – PAST PAPER QUESTION
• OPEN TASK 3 QUESTIONS
• OPEN THE FILE DIVEPLANNER.CSV TO DO THE QUESTIONS ON IT.

12. PLENARY