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Math 8th
Integer Math Rules
| Question | Answer |
|---|---|
| Multiplication: Negative X Negative= | Positive |
| Multiplication: Positive X Positive= | Positive |
| Multiplication: Negative X Positive= | Positive |
| Multiplication: Positive X Negative= | Negative |
| Division: Negative/Negative= | positive |
| Division: Positive/Positive= | positive |
| Division: Negative/Positive= | negative |
| Division: Positive/Negative= | negative |
| Addition: positive + positive | Add and keep sign |
| Addition: negative + negative | Add and keep sign |
| Addition: negative + positive | Subtract and keep sign of bigger number |
| Addition: positive + negative | Subtract and keep sign of bigger number |
| Subtraction: negative - negative | Add and keep sign |
| Subtraction: positive - positive | Subtract and keep sign of larger number |
| Subtraction: Negative - Positive | Add the opposite and follow addition rules |
| Subtraction: Positive - Negative | Add the opposite and follow addition rules |
| When you go left on the number line, are you adding or subtracting? | Adding |
| When you go right on the number line, are you adding or subtracting? | Subtracting |