1. Splash Screen

2. 1.A 2.B 3.C 4.D Five Minute Check 1 (over Lesson 2-4) A.8 B. 0 C. –4 D. –8 Find –4 + 4. Find 8 + (–7). A.–15 B. –1 C. 1 D. 15 Find –3 + (–5). A.–8 B. –2 C. 2 D. 8

3. Lesson Menu Main Idea Key Concept: Subtract Integers Example 1:Subtract Positive Integers Example 2:Subtract Positive Integers Example 3:Subtract Negative Integers

4. Main Idea/Vocabulary Subtract integers (2.2.8B) (M7.A.3.2.2).

5. KC 1 Interactive Lab: Subtracting Positive and Negative Integers

6. Example 1 Subtract Positive Integers Find 2 – 15. 2 – 15= 2 + (–15)To subtract 15, add –15. = –13Simplify. Answer: –13

7. 1.A 2.B 3.C 4.D Example 1 A.–34 B.–8 C.8 D.34 Find 13 – 21.

8. Example 2 Subtract Positive Integers Find –13 – 8. Answer: –21 –13 – 8=–13 + (–8)To subtract 8, add –8. =–21Simplify.

9. 1.A 2.B 3.C 4.D Example 2 A.–20 B.–2 C.2 D.20 Find –9 – 11.

10. Example 3 Subtract Negative Integers Find 12 – (–6). Answer: 18 12 – (–6)=12 + 6To subtract –6, add 6. =18Simplify.

11. 1.A 2.B 3.C 4.D Example 3 A.–13 B.–5 C.5 D.13 Find 9 – (–4).

12. Example 4 Find –21 – (–8). Answer: –13 Subtract Negative Integers –21 – (–8)=–21 + 8To subtract –8, add 8. =–13Simplify.

13. 1.A 2.B 3.C 4.D 5.D Example 4 A.–23 B.–11 C.11 D.23 Find 17 – (–6).

14. Review REVIEW 1.14 – 17 2.10 – 30 3.-4 – 8 4.-2 – 23 5.14 – (-10) 6.5 – (-16) 7.-3 – (-1) 8.-11 – (-9) -3 -20 -12 -25 24 21 -2

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16. Resources Five-Minute Check (over Lesson 2–4) Image Bank Math Tools Adding Integers Comparing and Ordering Integers Subtracting Positive and Negative Integers

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