Curriculum
Mathematics — First Preparatory
Unit 1: Numbers
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Ratio and Proportion
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Ratio and Proportion — Lesson quiz
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Applications of Ratio and Proportion
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Applications of Ratio and Proportion — Lesson quiz
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Sets and Operations on Sets
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Sets and Operations on Sets — Lesson quiz
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Operations on Integers
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Operations on Integers — Lesson quiz
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Operations on Rational Numbers
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Operations on Rational Numbers — Lesson quiz
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Unit 2: Algebra
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Unit 3: Statistics
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Unit 4: Geometry
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Text lesson
Operations on Integers
Operations on Integers
Multiplication and division
Multiplication and division
| Signs | Result | Example |
|---|---|---|
| positive × positive | positive | 3 × 4 = 12 |
| negative × negative | positive | (−3) × (−4) = 12 |
| positive × negative | negative | 3 × (−4) = −12 |
| negative ÷ positive | negative | (−36) ÷ 4 = −9 |
| negative ÷ negative | positive | (−48) ÷ (−6) = 8 |
- When multiplying more than two numbers, count the negative factors.
- If their number is even, the product is positive.
- If it is odd, the product is negative.
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