Multiply and divide with negative numbers confidently. Learn the rules, use sign patterns, and check by estimation so your answers make sense.
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You can find more about this topic by visiting BBC Bitesize - How to multiply and divide positive and negative numbers
A negative x a positive = a negative
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BOTH numbers are negative, therefore the result will be positive
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9 would also work but that wasn't on the list of answers!
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One negative and one positive number equals a negative result
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A negative ÷ a negative = a positive
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It gets a little more complicated when there are more than two numbers involved!
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Note that although the first two negative signs become positive (-4 x -4 = 16), when multiplied by the third negative sign the result will be negative
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-88 ÷ 11 = -8 and -8 ÷ -2 = 4
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The calculation in brackets is a negative ÷ a negative so the answer will be a positive. We then divide this positive by a negative so the answer will be a negative
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Most calculators have a '+/-' button which gives a negative number
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