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1. Keep Change Change (KCC) or Add the opposite

Which of the following problems would be solved using the method above

(1 point)
Responses

-12 - (-6)
-12 - (-6)

-12 + 6
-12 + 6

-6 + 12
-6 + 12

6 + 12
6 + 12

1 answer

The method "Keep Change Change" (KCC) is typically applied to problems involving subtraction, where you keep the first number, change the subtraction to addition, and change the sign of the second number.

Given your options, the problem that would be solved using the KCC method is:

-12 - (-6)

Using KCC:

  • Keep -12
  • Change subtraction to addition
  • Change -6 to +6

So it becomes: -12 + 6

The other options do not involve a subtraction or are already in addition form.

So the correct response is: -12 - (-6)