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Starter Potions Can you help Professor Snaple disguise his potion labels Find the cell reference for each letter and write it in the box above

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Introduction to modelling & presenting numeric data Lesson 6 Owl Delivery Service

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What are we doing today? We are learning to Ask a question, and find the answer by creating a spreadsheet to help us What I’m looking for Good planning, clear thinking and fantastic figuring out This is because Finding out simpler ways to solve a problem, makes solving problems easier!

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Your Task The Owl Delivery Service needs help to find out how many miles one of the owls travels during one night.

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Working out Use this worksheet to draw the journeys that the owl takes Write the number of journeys next to each house

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Formula Recap You need to enter the formulas to calculate the total distance travelled by the owl for each destination

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Formulas - Functions All calculations in Excel are Formulas We have Simple Formulas –E.g. = A4+A1+B3 We also have Function formulas –E.g. =Sum() Function formulas is Excel’s way of letting us carry out complex calculations easily

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Functions =SUM(A5:A720) This will add up 715 numbers. Imagine if we had to enter each cell and then a + sign 715 times. =AVERAGE(A5:A720) Will find the average of those 715 numbers

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Homework

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Plenary What are the benefits of using a spreadsheet for today's lesson (Imagine if all you had was paper and a calculator) SUGGESTIONS? What is a cell reference? What is the sign we use in excel to Multiply?

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