11. Coding and Algorithms

11.01 Solve problems using an algorithm

11.02 Following algorithms

Investigation: Describe a picture

11.03 Branching

Investigation: Branching and conditionals

11.04 Iterations

11.05 Flow charts

Investigation: Euclidean algorithm

11.06 Algorithms in code

11.07 Loops in code

11.08 Debugging

11.09 Algorithms for divisibility

11.10 Sorting algorithms

Grade 8

11.03 Branching

Interactive practice questions

Follow the algorithm.

Start with the number $8$8.

If the number is even, halve it. If the number is odd, subtract one and halve it.

Easy

< 1min

Follow the algorithm.

Easy

< 1min

Follow the algorithm.

Easy

< 1min

Follow the algorithm.

Easy

< 1min

Outcomes

8.C3.1

Solve problems and create computational representations of mathematical situations by writing and executing code, including code that involves the analysis of data in order to inform and communicate decisions.

8.C3.2

Read and alter existing code involving the analysis of data in order to inform and communicate decisions, and describe how changes to the code affect the outcomes and the efficiency of the code.

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