Thinking Skills: Critical Thinking and Problem Solving

4.11 A self-assessment 195 This final chapter in the unit brings together a range of the critical skills you have been using. It ...

196 Unit 4 Applied critical thinking behind it. In this case we already know the source, as it is acknowledged at the end of the ...

4.11 A self-assessment 197 paragraph it is clear where the argument is leading. There he states the ‘contention’ that dolphins a ...

198 Unit 4 Applied critical thinking As pointed out in earlier chapters, there are often alternative ways of interpreting many n ...

4.11 A self-assessment 199 inference from its having no obvious practical purpose to its seeming to be purely recreational, like ...

200 Unit 4 Applied critical thinking that dolphins are like people. It just says that it adds more evidence for such a view. How ...

4.11 A self-assessment 201 If you gave the argument more credit than this, that does not necessarily mean that you are wrong. It ...

202 Unit 4 Applied critical thinking doesn’t really leave that option. Either highly intelligent animals deserve to be treated l ...

4.11 A self-assessment 203 from ignorance’: that lack of evidence for some claim is grounds for denying it. This is not itself a ...

204 Unit 4 Applied critical thinking 5 Examination practice Answer the three questions again with a time limit of 10–15 minut ...

5.1 Combining skills – using imagination 205 Combining skills – using imagination 5.1 Unit 5 Advanced problem solving The next f ...

206 Unit 5 Advanced problem solving Commentary This is mainly a data-extraction type question. Such questions are normally quite ...

5.1 Combining skills – using imagination 207 add this back on to the 80¢. In the example above the calculations reduce to: 20 × ...

208 Unit 5 Advanced problem solving We now need to list the losing combinations. These must fall into three categories: 4 of the ...

5.1 Combining skills – using imagination 209 The Stagebus stops for 5 minutes at each village and takes 1 hour 15 minutes from l ...

210 Unit 5 Advanced problem solving 5 Fatima is making a quilt. The overall size is 1.7 m × 2.0 m. It will have a pattern of ...

5.2 Developing models 211 The equation below is a very simplistic mathematical model for a fish farm. It is called the Beverton– ...

212 Unit 5 Advanced problem solving We can see that the maximum capacity is reached in 10–15 years and the time to reach maximum ...

5.2 Developing models 213 Perfect Pots is a company making decorative plant pots. Its overheads (rent on premises, insurance, et ...

214 Unit 5 Advanced problem solving Selling price per pot ($) 10 12 14 16 Annual production Workers employed Profit ($) 1000 1 – ...