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positive and negative integers
adding sub, mult, dividing positive and neg integers
16
Mathematics
7th Grade
09/17/2012
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Term
adding positive integers

+ added to positive =
 Definition
positive +
Term
What is the rule when you add a positve and negative integer?
 Definition
subtract take the sign of the higher integer (absolute val)
Term
example:

50 + -10 =
 Definition
40
Term
- 50 + 10 =
 Definition
-40
Term
25 + - 80 =
 Definition
- 55
Term
What is the rule for subtracting integers with negative numbers?
Keep _______ _______
 Definition
Keep Change Change
Term
40 - (-20) =
 Definition
60
Term
- 10 - 35 =
 Definition
- 45
Term
-30 - - 50 =
 Definition
20
Term
What is the rule for multiplying or dividing integers?
+ (X or divided by) + = ?
 Definition
+ positive
Term
What is the rule for multiplying integers?
+ (X or divided by) - = ?
 Definition
- negative
Term
What is the rule for multiplying or dividing integers?
- (X or divided by) - = ?
 Definition
+ positive
Term
solve: - 9 x -5 = ?
 Definition
45
Term
solve: -10 x 20 =
 Definition
- 200
Term
solve: -15 divided by -5 = ?
 Definition
3
Term
70 divided by -10 = ?
 Definition
-7
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