| Algebraic Expression Diagnostic Test Subtopic | Percentage of Correct Answers |
| Development of Algebraic Expression: |
|
| Determining the development of the product for an expression with a term | 86.9% |
| Determining the development of the product of two expressions | 76.1% |
| Algebraic Expressions Factorisation: |
|
| Converting algebraic expressions that contain two terms to a product of one pronunciation with one expression | 74.6% |
| Converting algebraic expressions that contain two terms to the product of two expressions | 72.4% |
| Converting algebraic expressions that contain three terms to the product of two expressions | 66.2% |