Lumen🪙 0

Multiplying and dividing integers

📖 Learn🎬 Guided Practice✏️ Practice
Concept 1 of 3 · no score 🙂

Why the sign flips

Multiplying is repeated adding0-3-6-9-12−3−3−3−3−3 × 4 = −3 + −3 + −3 + −3 = −12+ × +positive+ × −negative− × +negative− × −positivesigns the SAME → positive · signs DIFFERENT → negativedivision follows exactly the same rule
Work out the numbers first, then decide the sign.
  1. 1Multiplying is repeated adding: −3 × 4 = −3 + −3 + −3 + −3 = −12.