8.2 · Lesson 3 of 4
Two-dimensional arrays
Syllabus 8.2.1Syllabus 8.2.3
What this lesson covers
- Declare and use 1D and 2D arrays
- Read and write array values using iteration, including nested loops
Key vocabulary
- 2D array
- An array with rows and columns, like a table.
- Nested iteration
- A loop inside another loop, used to process every element of a 2D array.
- Row
- The first index of a 2D array element in Cambridge pseudocode.
- Column
- The second index of a 2D array element.
Check your learning
- Quick check: 4 questions
- Key vocabulary test: 4 terms
- Activity 1: Read the 2D array · 6 questions
- Activity 2: Which index? · 6 questions
- Activity 3: 2D arrays quiz · 8 questions