Transcription of UNIT 1: PROBLEM SOLVING - Pearson
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UNIT 1: PROBLEM SOLVING - Pearson
1 ANSWERSUNIT 1: PROBLEM SOLVING1 UNDERSTANDING ALGORITHMSACTIVITY 1 There is no single correct solution to this activity, since every student s walk to school will be unique. It is intended to highlight the need for instructions to be specific, precise and in a logical order. Encourage them to identify instances of repetition and selection, Keep walking until you get to the end of the street. Next cross the road, providing no cars are coming. ACTIVITY 2 Encourage students to use all the symbols shown in Figure in their 3 This flowchart incorporates selection and iteration.
they may wish to come back to this checkpoint once they have completed the chapter. C2 Computational thinking is defined in the Subject vocabulary box on page 23. C3 We use abstractions when we refer to objects or concepts. For example, we say ‘car’ and might expect everyone to have an image of a small vehicle with four wheels.
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