# Subtracting Integers and Additive Inverse Warm Up

Learn about subtracting integers and the useful concept of additive inverse to solve subtraction problems. Find out how the same and different rules apply in this process.

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## Presentation Transcript

1. Subtracting Integers

2. Warm-Up Yesterday we talked about the integer rules. How does this chart apply to the rules? + Same - Different

3. Additive Inverse The additive inverse allows us to easily solve subtraction problems. This is done by adding the opposite of what is being subtracted. El inverso aditivo nos permite resolver fcilmente los problemas de resta. Esto se hace mediante la adicin de lo contrario de lo que se va a restar.

4. Subtract a Positive Integer Find 9 12 9 12 9 + ( -12 ) = ____ additive inverse + -

5. Subtract a Positive Integer Find -6 8 -6 8 -6 + ( -8 ) = ____ additive inverse + -

8. Subtract a Negative Integer Find 7 (-15) 7 (-15) 7 + 15 = ____ additive inverse + -

12. Example Problem The boiling point of water is 212 F, while -460F is its absolute lowest temperature. Find the difference between these two temperatures. + -

13. Up Next Activity 1: Adding and Subtracting Integers