Adding, Subtracting, Multiplying, & Dividing Integers
Adding, Subtracting, Multiplying, & Dividing Integers
How do I add Integers?
How do I subtract Integers?
How do I multiply or divide Integers?
Summary: What did I learn?
Rules:
✓ When integers are opposite signs, find the difference between the two numbers and take the sign of which there are more of.
✓ When integers have the same sign, add the numbers together and keep that sign.
✓ Examples:
Rules:
✓ To subtract integers, you actually add the additive inverse. (aka: keep, change, change) The first number stays the same. Then operation changes from subtraction to addition. And the number after the operation changes to its opposite.
✓ Then follow addition rules.
✓ Examples:
Rules:
✓ When numbers have the same sign; the answer will be positive.
✓ When numbers have different signs; the answer will be negative.
✓ Examples:
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