Negative numbers

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    11-16 Mathematics

    Adding negative numbers

    A simple rule for adding negative numbers.
    If you see a plus NEXT more »

    A simple rule for adding negative numbers.
    If you see a plus NEXT TO a minus, rub out the plus and do the sum.

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    11-16 Mathematics

    Subtracting negative numbers

    A simple rule for subtracting negative numbers.
    If you see a minus more »

    A simple rule for subtracting negative numbers.
    If you see a minus NEXT TO minus, turn them into a plus and do the sum.

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    11-16 Mathematics

    Multiplying with negative numbers

    Simple three stage rule for multiplying negative numbers.
    1. more »

    Simple three stage rule for multiplying negative numbers.
    1. Forget the minus signs
    2. Do the sum
    3. The answer is negative if the numbers you started with were one positive and one negative.

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  • video thumbnail
    11-16 Mathematics

    Dividing with negative numbers

    Simple three stage rule for dividing negative numbers.
    1. Forget more »

    Simple three stage rule for dividing negative numbers.
    1. Forget the minus signs
    2. Do the sum
    3. The answer is negative if the numbers you started with were one positive and one negative.

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