Positive & Negative Numbers

Rules

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When you add two positives you (sometimes/always/never) get a positive sum.

What is always

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When you add two negatives you (sometimes/always/never) get a positive sum.

What is never

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When you multiply two integers with the same sign you (sometimes/always/never) get a negative product.

What is never

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When you divide by two integers with different signs you (sometimes/always/never) get a negative product.

What is always

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You call both positive and negative whole numbers this.

What are integers

Addition

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(-4) + 8 =

4

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(-12) + (-12) =

What is (-24)

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(-50) + (-75) =

What is (-125)

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-100 + 20 =

What is -80

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200 - (-100)

What is 300

Subtraction

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5 - 5

What is 0

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-20 - 10

What is -30

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-2 - 12

What is -14

0

24 - 25 =

What is -1

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(-45) - (-15) =

What is -30

Multiplication

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5 x 6

What is 30

0

(-5) x (-2) =

What is 10

0

7 x -8

What is -56

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-9 x -9

What is 81

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25 x (-4)

What is -100

Division

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21 / 7

What is 3

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(-40) / (-10) =

What is 4

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(-12) / 2 =

What is -6

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-27 / 3 =

What is -9

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44 / -11

-4