Vocabulary
When multiplying or dividing two integers with the same sign, you will get a ___________ answer.
When multiplying or dividing two integers with the same sign, you will get a POSITIVE answer.
-16 + 4
-12 (12 more negatives)
11 - (-2)
13 (Keep, Change, Change makes it 11+2 which equals 13)
-8(-5)
40 (same sign, positive answer)
-2(4) + (-11)
-19 (-2 times 4 equals -8 and -8 +(-11) gives you a Grand Total of 19 negatives)
When adding two integers with the same sign, you put the amounts together to get a ______ ________
When adding two integers with the same sign, you put the amounts together to get a GRAND TOTAL.
-12 + (-5)
-17 (Grand Total of negatives)
-10 - 21
-31 (Keep, Change, Change makes it -10 + (-21) which gives you a Grand Total of 31 negatives)
4(-4)
6 + -32/8
2 (-32/8 = -4 and 6 + (-4) gives you 2 more positives)
When you do "Keep, Change, Change," you always change the sign on the __________ number in the problem.
When you do "Keep, Change, Change," you always change the sign on the SECOND number in the problem.
19 + (-6)
13 (13 more positives)
-8 - (-10)
2 (Keep, Change, Change makes it -8 + 10 which gives you 2 more positives)
-42/6
-7 (different signs, negative answer)
-3(4) + -7
-19 (-3 times 4 equals -12, and -12 + (-7) gives you a Grand Total of 19 negatives.)
You ask the question, "How many more?" when adding integers with ___________ signs.
You ask the question, "How many more?" when adding integers with DIFFERENT signs.
-9 + (-3) + 5
-7 (-9 + (-3) = Grand Total of -12, then -12 + 5 = 7 more negatives)
2 - 13
-11 (Keep, Change, Change makes it 2 + (-13) which gives you 11 more negatives)
-60/(-5)
12 (same signs, positive answer)
-3 - (-10)(2)
17 (-10 times 2 equals -20. Keep, Change, Change gives you -3 + 20 which gives you 17 more positives.)
When working an integer problem with multiple operations, you _____ or ______ first, and then ______ or ______.
When working an integer problem with multiple operations, you MULTIPLY or DIVIDE first, and then ADD or SUBTRACT.
18 + (-5) + 6
19 (18 + (-5) = 13 more positives, 13 + 6 = 19)
8 - 5 - (-3)
6 (Keep, Change, Change makes the first part 8 + (-5) which gives you 3 more positives. Keep, Change, Change on the second part makes it 3 + 3 which equals 6.)
3(-8)(2)
-48 (3 times (-8) equals -24, and -24 times 2 equals -48. Both times, different signs give you a negative answer.)
6 - 7(-5)
41 (7 times -5 is -35. Keep, Change, Change gives you 6 + 35 which is a Grand Total of 41 positives.)