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like signs
opposite signs
change
properties
integers
100

Turn this equation from subtraction to addition

-8 - 5

-8 + (-5)

100

When combining 2 integers with opposite signs, should you add or subtract the absolute values?

Subtract

100

What is the formula for finding the change between 2 integers?

final - initial = change
100

Does this represent the communicative or associative property?


a + b = b + a

communicative

100

What is the additive inverse of -12?

12

200

Turn this equation from subtraction to addition:

22 - (-8)

22 + 8

200

Change the following equation to addition:

5 - 7

5 + (-7)

200
The temperature on Monday was 15 degrees F.  The temperature on Tuesday was 22 degrees F.  Which integer would be considered the "final" temperature in a word problem involving change?

22 

200

Does this represent the communicative or associative property?

(a + b) + c = a + (b + c)

Associative

200

What is the absolute value of -100

100

300

Change the equation to addition and solve:

-4 - 10

-4 + (-10) = -14

300

Change the following equation to addition:

3 - 7 - 10

3 + (-7) + (-10)

300

Bob had $70 in his bank account at the start of the week and $50 in his account at the end of the week.  Which integer would be considered the "initial" quantity in a word problem involving change?

70

300
Which property allows us to move like signs together in this equation without changing the sum?  Associative or communicative?


8 + (-4) + 7 = 8 + 7 + (-4)

Communicative

300
Every additive inverse pair has the same sum.  What is that sum?

0

400

Change the equation to addition and solve:

-30 - 15

-30 + (-15) = =- 45

400

Change the following equation to addition and solve:


3 - 7

3 + (-7) = -4

400

Kim dove from the high dive which was 20 ft above the surface of the pool.  She dove to a depth of 35 ft below the surface of the pool.  What was the change in elevation from start to finish?

-35 + (-20) = -55

400

Which property allows us to add brackets to groups of numbers like in the equation below?  Communicative or Associative?


-7 + (-6) + (-9) + 2 + 3

[-7 + (-6) + (-9)] + [2 + 3]

Associative

400

If the temperature changes from -3 to -15, is the change positive or negative?

negative

500

Change the equation to addition and solve:

-15 - 30 - 15

-15 + (-30) + (-15) = -60

500

Change the following equation to addition and solve:

2 - 8 - 6

2 + (-8) + (-6) = -12

500

The Chicago Bears began the second half down 37 points.  By the end of the game they were up 21 points.  What was the change in the bear's score?

21 - (-37) = 21 + 37 = 58

500

Use the communicative property to reorder the following equation so that like signs can be grouped together:


-2 + 5 + (-8) + 4

-2 + (-8) + 5 + 4

500

What is the name of the value of an integer relative to its distance from zero.  (Hint: it is the same regardless of whether the integer is positive or negative)

absolute value