This key facts covers The Sign Rules for × and ÷ within Negative Numbers for GCSE Mathematics. Revise Negative Numbers in Number for GCSE Mathematics with 12 exam-style questions and 22 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 3 of 13 in this topic. Use this key facts to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 3 of 13
Practice
12 questions
Recall
22 flashcards
The Sign Rules for × and ÷
Golden Rule: Same signs = Positive, Different signs = Negative
| Operation | Signs | Result | Example | Memory Tip |
|---|---|---|---|---|
| × or ÷ | + and + | Positive | 3 × 4 = 12 | Same = Happy 😊 |
| × or ÷ | − and − | Positive | (-3) × (-4) = 12 | |
| × or ÷ | + and − | Negative | 3 × (-4) = -12 | Different = Sad 😞 |
| × or ÷ | − and + | Negative | (-3) × 4 = -12 |