find each sum. 1. –4 + 62. 5 + 12 3. –3 + 34. –8 + 9 give the opposite of each number. 5. 76....
TRANSCRIPT
![Page 1: Find each sum. 1. –4 + 62. 5 + 12 3. –3 + 34. –8 + 9 Give the opposite of each number. 5. 76. –8 7. –38. 1 2 17 0 1 –7 8 3 –1 Do Now](https://reader035.vdocument.in/reader035/viewer/2022080902/56649cfd5503460f949cd684/html5/thumbnails/1.jpg)
Find each sum.
1. –4 + 6 2. 5 + 123. –3 + 3 4. –8 + 9
Give the opposite of each number.5. 7 6. –87. –3 8. 1
2 170 1
–7 83 –1
Do Now
![Page 2: Find each sum. 1. –4 + 62. 5 + 12 3. –3 + 34. –8 + 9 Give the opposite of each number. 5. 76. –8 7. –38. 1 2 17 0 1 –7 8 3 –1 Do Now](https://reader035.vdocument.in/reader035/viewer/2022080902/56649cfd5503460f949cd684/html5/thumbnails/2.jpg)
2/9/2015 7-3 D Subtracting Integers
![Page 3: Find each sum. 1. –4 + 62. 5 + 12 3. –3 + 34. –8 + 9 Give the opposite of each number. 5. 76. –8 7. –38. 1 2 17 0 1 –7 8 3 –1 Do Now](https://reader035.vdocument.in/reader035/viewer/2022080902/56649cfd5503460f949cd684/html5/thumbnails/3.jpg)
Move left on a number line to subtract a positive integer.
Move right on a number line to subtract a negative integer.
Subtracting Integers on a Number Line
![Page 4: Find each sum. 1. –4 + 62. 5 + 12 3. –3 + 34. –8 + 9 Give the opposite of each number. 5. 76. –8 7. –38. 1 2 17 0 1 –7 8 3 –1 Do Now](https://reader035.vdocument.in/reader035/viewer/2022080902/56649cfd5503460f949cd684/html5/thumbnails/4.jpg)
Example 1
Write the subtraction modeled on each number line.
A.
B.
–8 –7 – 6 –5 –4 –3 –2 –1 0 1
–3–4
The subtraction modeled is –3 – 4 = –7.
–6 –5 –4 –3 –2 –1 0 1 2 3 4 5
(–5)– (–9)
The subtraction modeled is –5 – (–9) = 4.
![Page 5: Find each sum. 1. –4 + 62. 5 + 12 3. –3 + 34. –8 + 9 Give the opposite of each number. 5. 76. –8 7. –38. 1 2 17 0 1 –7 8 3 –1 Do Now](https://reader035.vdocument.in/reader035/viewer/2022080902/56649cfd5503460f949cd684/html5/thumbnails/5.jpg)
LCCeave hange hange
![Page 6: Find each sum. 1. –4 + 62. 5 + 12 3. –3 + 34. –8 + 9 Give the opposite of each number. 5. 76. –8 7. –38. 1 2 17 0 1 –7 8 3 –1 Do Now](https://reader035.vdocument.in/reader035/viewer/2022080902/56649cfd5503460f949cd684/html5/thumbnails/6.jpg)
Example 2
Find the difference.
4 – 6
4 – 6 = –2
(–6)
4
–3 –2 –1 0 1 2 3 4 5
![Page 7: Find each sum. 1. –4 + 62. 5 + 12 3. –3 + 34. –8 + 9 Give the opposite of each number. 5. 76. –8 7. –38. 1 2 17 0 1 –7 8 3 –1 Do Now](https://reader035.vdocument.in/reader035/viewer/2022080902/56649cfd5503460f949cd684/html5/thumbnails/7.jpg)
Example 3
Find the difference.
3 – (–3)
–(–3) 3
3 – (–3) = 6
–1 0 1 2 3 4 5 6 7
![Page 8: Find each sum. 1. –4 + 62. 5 + 12 3. –3 + 34. –8 + 9 Give the opposite of each number. 5. 76. –8 7. –38. 1 2 17 0 1 –7 8 3 –1 Do Now](https://reader035.vdocument.in/reader035/viewer/2022080902/56649cfd5503460f949cd684/html5/thumbnails/8.jpg)
Example 4
Evaluate a – 4 for a = 2.
a – 4 Write the expression.
2 – 4 Substitute 2 for a.
–2 Subtract.
![Page 9: Find each sum. 1. –4 + 62. 5 + 12 3. –3 + 34. –8 + 9 Give the opposite of each number. 5. 76. –8 7. –38. 1 2 17 0 1 –7 8 3 –1 Do Now](https://reader035.vdocument.in/reader035/viewer/2022080902/56649cfd5503460f949cd684/html5/thumbnails/9.jpg)
Find each difference.
1. 8 – 5 2. –9 – (–3)
Evaluate x – (–7) for each value of x.
3. x = –2 4. x = 5
5. The peak of Mt. Everest is approximately
26,544 ft above sea level. The shore of the
Dead Sea is about 1,200 ft below sea level.
How much higher is the peak of Mt. Everest
than the shore of the Dead Sea?
–63
5
27,744 ft
12
Exit Ticket
![Page 10: Find each sum. 1. –4 + 62. 5 + 12 3. –3 + 34. –8 + 9 Give the opposite of each number. 5. 76. –8 7. –38. 1 2 17 0 1 –7 8 3 –1 Do Now](https://reader035.vdocument.in/reader035/viewer/2022080902/56649cfd5503460f949cd684/html5/thumbnails/10.jpg)
1. Identify the difference. 9 – 6
A. 3
B. –3
C. 15
D. –15
![Page 11: Find each sum. 1. –4 + 62. 5 + 12 3. –3 + 34. –8 + 9 Give the opposite of each number. 5. 76. –8 7. –38. 1 2 17 0 1 –7 8 3 –1 Do Now](https://reader035.vdocument.in/reader035/viewer/2022080902/56649cfd5503460f949cd684/html5/thumbnails/11.jpg)
2. Identify the difference. –11 – (–8)
A. 3
B. –3
C. 19
D. –19
![Page 12: Find each sum. 1. –4 + 62. 5 + 12 3. –3 + 34. –8 + 9 Give the opposite of each number. 5. 76. –8 7. –38. 1 2 17 0 1 –7 8 3 –1 Do Now](https://reader035.vdocument.in/reader035/viewer/2022080902/56649cfd5503460f949cd684/html5/thumbnails/12.jpg)
3. Evaluate p – (–8) for p = –9.
A. 17
B. 1
C. –1
D. –17
![Page 13: Find each sum. 1. –4 + 62. 5 + 12 3. –3 + 34. –8 + 9 Give the opposite of each number. 5. 76. –8 7. –38. 1 2 17 0 1 –7 8 3 –1 Do Now](https://reader035.vdocument.in/reader035/viewer/2022080902/56649cfd5503460f949cd684/html5/thumbnails/13.jpg)
4. Evaluate s – (–8) for s = 13.
A. 21
B. 5
C. –5
D. –21
![Page 14: Find each sum. 1. –4 + 62. 5 + 12 3. –3 + 34. –8 + 9 Give the opposite of each number. 5. 76. –8 7. –38. 1 2 17 0 1 –7 8 3 –1 Do Now](https://reader035.vdocument.in/reader035/viewer/2022080902/56649cfd5503460f949cd684/html5/thumbnails/14.jpg)
5. A submarine is 150 feet below the sea level. An airplane is 1,000 feet above the sea level and directly above the submarine. What is the distance between the airplane and the submarine?
A. 850 ft
B. 1,000 ft
C. 1,150 ft
D. 1,500 ft
![Page 15: Find each sum. 1. –4 + 62. 5 + 12 3. –3 + 34. –8 + 9 Give the opposite of each number. 5. 76. –8 7. –38. 1 2 17 0 1 –7 8 3 –1 Do Now](https://reader035.vdocument.in/reader035/viewer/2022080902/56649cfd5503460f949cd684/html5/thumbnails/15.jpg)
Homework
• Subtracting Integers W.S.