8.2 · Lesson 4 of 4

Arrays in practice

Syllabus 8.2.1Syllabus 8.2.2Syllabus 8.2.3

What this lesson covers

  • Declare and use 1D and 2D arrays
  • Use variables as array indexes
  • Read and write array values using iteration, including nested loops

Key vocabulary

Parallel arrays
Two or more arrays of the same size, where the same index refers to the same item.

Check your learning

  • Quick check: 4 questions
  • Key vocabulary test: 1 terms
  • Activity 1: Which structure? · 8 questions
  • Activity 2: Arrays in practice quiz · 8 questions
  • Activity 3: 1D or 2D array? · drag and drop
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