Models and Presenting numeric

dataLesson 1

Terminology Recap

Numeric data

Text labels

Columns (letters)

A worksheet

Text labels

Rows (numbers)

Each cell has a unique cell

reference e.g. D13Column DRow 13

What is a model?

O (In ICT terms!)O Tool that enables you to put different

data into a system and look at the outcomes it produces

O Tool you can use to ask ‘what if…’ questions by changing variable or formulae

Why use a spreadsheet?

O SpeedO AccuracyO Automatic calculationsO Data can be changed easily

What do you remember from year 6/7?

So what else will we be learning?

O To use a spread sheet to generate modelsO To ask questions of the models in order to

analyse and present dataO To use techniques to generate more

effective modelsO To understand the relationship between

input and output values in a modelO To discuss other types of modelling that

can be used to simulate different events.

Open activity 8.4P1C

Activity 1

Activity 2

Plenary

HomeworkO Next lesson you will need to create

your own model based on mobile telephones

O The model will help answer the question ‘what is the best value phone for me?’

O What you have to do is to collect information on the cost of running two types of mobile phones and identify the similarities and differences between the packages.