Concept 5 of 8Foundation
Watch on YouTubeVideoMultiplying & dividing (sign rules)
For × and ÷, only signs matter. Just count the minus signs:
- (+) × (+) = + e.g., 4 × 3 = 12
- (+) × (–) = – e.g., 4 × (–3) = –12
- (–) × (+) = – e.g., (–4) × 3 = –12
- (–) × (–) = + e.g., (–4) × (–3) = 12
Same rules for division.
Example
(–2) × (–3) × (–4) = +6 × (–4) = –24.
Three negatives (odd) → answer is negative.
Three negatives (odd) → answer is negative.
💡 Tip:Even number of minuses → positive. Odd number → negative.
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5 questions to check what you just read.
0 / 5
- Q1.(−4) × 5 = ?
- Q2.(−6) × (−3) = ?
- Q3.(−15) ÷ 3 = ?
- Q4.(−24) ÷ (−4) = ?
- Q5.(−2) × (−3) × (−4) = ?