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Rules
Addition
Subtraction
Multiplication/Division
Word Problems
100
When you add two positives you (sometimes/always/never) get a positive sum.
What is always
100

(-4) + (+8) =

(+4)

100
(-1) - (-1)
What is 0
100
(-1) x (-25) =
What is (+25)
100

A diver is at 800 feet below sea level. She descends 250 feet. What is her new position.

-1050 feet

200
When you add two negatives you (sometimes/always/never) get a positive sum.
What is never
200
(-12) + (-12) =
What is (-24)
200
(-20) - (+10)
What is (-30)
200

(-50) / (2) =

What is (-25)

200
(-144) / (-12) =
What is (12)
300
When you multiply two integers with the same sign you (sometimes/always/never) get a negative product.
What is never
300
(-50) + (-75) =
What is (-125)
300
(-45) - (-15) =
What is (-30)
300
(+7) x (+9) =
What is (+63)
300
(-12) / (+2) =
What is (-6)
400
When you divide by two integers with different signs you (sometimes/always/never) get a negative product.
What is always
400

|-100| + |25| =

What is (125)

400
(-224) - (-25) =
What is (- 199)
400

(-72) / (-8) =

What is (9)

400

Frank thinks that |-4|+|-4|=8. Is he correct? Why?

Yes - absolute value is distance from zero.

500
You call both positive and negative whole numbers this.
What are integers
500

|-501| + (500)

What is (1001)

500
(-5012) - (-28)
What is (-4984)
500
(-125) x (+5) =
What is (- 625)
500

David and his friends are playing a game. For every question they get correct, they are awarded 20 points, and for every incorrect, they lose 5 points. If David gets 6 questions correct and 8 questions incorrect, what is his final score?

80 points.