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Subtracting Integers

Subtracting Integers. 1.6. Instead of Subtracting…. Change the subtraction to addition and change the sign of the next number. KFC. K-Keep the first term F- Flip the subtraction to addition C-Change the sign of second term. Examples: Use KFC. 1.) 4 - 8 2.) -1 – 5 3.) 32 – (-3)

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Subtracting Integers

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  1. Subtracting Integers 1.6

  2. Instead of Subtracting… • Change the subtraction to addition and change the sign of the next number

  3. KFC • K-Keep the first term • F- Flip the subtraction to addition • C-Change the sign of second term

  4. Examples: Use KFC 1.) 4 - 8 2.) -1 – 5 3.) 32 – (-3) 4.) -40 -66

  5. Part 2 Row RowRow Your Boat Same sign add and keep Different sing subtract Keep the sign of the larger number then you will be exact Change the minus to a plus Change the sign of the next all you do is add them up as if they were a plus

  6. Row, Row, Row, Your Boat

  7. Subtracting more than two terms • Change all minus to plus and change the sign of the next or KFC (keep filp change) **Reminder- do not change addition • Group and add the positive terms • Group and add the negative terms • Subtract and keep sign of larger number

  8. Examples 1.-11 +22 – (-55)

  9. Homework TB: Page 31 (20-42 even, 57, 58)

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