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When multiplying and dividing integers there are two rules:
1. When multiplying or dividing integers that have the SAME sign, the answer is POSITIVE. Positive x positive = positive Negative x negative = positive
+7 x +12 = +84-6 x –5 = +30
Rules
Rule 2:◦ When multiplying or dividing integers whose signs
are DIFFERENT, the answer will always be NEGATIVE. Positive x negative = negative Negative x positive = negative
+8 x –4 = -32-5 x +7 = -35
Rules continued…
Multiplying Integers Song (sing to “Dead Bones” tune)
Verse 1 A negative times a negative is a, (um) positive A negative times a positive is a, (um) negativeA negative times a negative is a, (um) positive
These are the rules for signs.Verse 2
If you have the same signs, you get a positive, But if they’re different, you get a negative,
If you have the same signs, you get a positive,Yes, these are the rules for signs.
Let’s Sing a Song!