Turn this equation from subtraction to addition
-8 - 5
-8 + (-5)
When combining 2 integers with opposite signs, should you add or subtract the absolute values?
Subtract
What is the formula for finding the change between 2 integers?
Does this represent the communicative or associative property?
a + b = b + a
communicative
What is the additive inverse of -12?
12
Turn this equation from subtraction to addition:
22 - (-8)
22 + 8
Change the following equation to addition:
5 - 7
5 + (-7)
22
Does this represent the communicative or associative property?
(a + b) + c = a + (b + c)
Associative
What is the absolute value of -100
100
Change the equation to addition and solve:
-4 - 10
-4 + (-10) = -14
Change the following equation to addition:
3 - 7 - 10
3 + (-7) + (-10)
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
8 + (-4) + 7 = 8 + 7 + (-4)
Communicative
0
Change the equation to addition and solve:
-30 - 15
-30 + (-15) = =- 45
Change the following equation to addition and solve:
3 - 7
3 + (-7) = -4
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
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
If the temperature changes from -3 to -15, is the change positive or negative?
negative
Change the equation to addition and solve:
-15 - 30 - 15
-15 + (-30) + (-15) = -60
Change the following equation to addition and solve:
2 - 8 - 6
2 + (-8) + (-6) = -12
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
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
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