splash screen
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Splash Screen. A B. (over Lesson 2-2). Use < or > to make a true sentence. –21 __ –15. 5 __ –5. A. < B. >. A. < B. >. 0 __ –1. A. < B. >. Five Minute Check 1. A B C D. (over Lesson 2-2). Order 7, –1, 0, 4, –6 from least to greatest. - PowerPoint PPT PresentationTRANSCRIPT
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1. A
2. B
A. < B. >
Use < or > to make a true sentence.
–21 __ –15
(over Lesson 2-2)
A. < B. >
5 __ –5
0 __ –1
A. < B. >
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1. A
2. B
3. C
4. D
(over Lesson 2-2)
A. 7, 4, 0, –1, –6
B. –1, –6, 0, 4, 7
C. 0, –1, 4, –6, 7
D. –6, –1, 0, 4, 7
Order 7, –1, 0, 4, –6 from least to greatest.
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Main Idea and Vocabulary
Key Concept: Coordinate Plane
Example 1:Naming Points Using Ordered Pairs
Example 2:Graph an Ordered Pair
Example 3:Locate an Ordered Pair
Example 4:Identify Quadrants
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• coordinate plane
• x-axis (horizontal)
• y-axis (vertical)
• Origin (0, 0)
• Quadrant – 1 of 4 sections
Graph points on a coordinate plane (2.8.8G) (M7.C.3.1).
• ordered pair (1, 2)
• x-coordinate (x, y)
• y-coordinate (x, y)
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Naming Points Using Ordered Pairs
Write the ordered pair that names point R. Then state the quadrant in which the point is located.
Start at the origin.
Answer: So, the ordered pair for point R is (–2, 4). Point R is located in Quadrant II.
Move left on the x-axis to find the x-coordinate of point R, which is –2.
Move up to find the y-coordinate, which is 4.
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1. A
2. B
3. C
4. D
A. (–3, –1); Quadrant III
B. (2, 1); Quadrant I
C. (3, 1); Quadrant I
D. (3, –1); Quadrant IV
Write the ordered pair that names point M. Then name the quadrant in which the point is located.
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Graph an Ordered Pair
Graph and label point M(3, 5).
Answer: Start at the origin.
The x-coordinate is 3. So, move 3 units to the right.
Draw a dot and label it M(3, 5).
Next, since the y-coordinate is 5, move 5 units up.
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1. A
2. B
3. C
4. D
Graph and label the point G(–2, –4).
A. B.
C. D.
G
G
G
G
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GEOGRAPHY Use the map of Utah shown below. In which quadrant is Vernal located?
Vernal is located in the upper right quadrant, Quadrant I.
Answer: Quadrant I
Locate an Ordered Pair
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1. A
2. B
3. C
4. D
A. Quadrant I
B. Quadrant II
C. Quadrant III
D. Quadrant IV
GEOGRAPHY Use the map of Utah. In which quadrant is Tremonton located?
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Which of the cities labeled on the map is located in Quadrant IV?
Quadrant IV is the lower right quadrant. So, Bluff is in Quadrant IV.
Answer: Bluff
Identify Quadrants
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1. A
2. B
3. C
4. D
A. Tremonton
B. Vernal
C. Bluff
D. Cedar City
Name a city from the map of Utah that is located in Quadrant III.
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REVIEW
State the quadrant of each point:
1. P (-2, -4)
2. Q (5, -2)
3. R (0, 3)
4. S (-3, 1)
III
IV
y-axis
II
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COOL-DOWN PROBLEMS
1. 138 + 246
2. 814 + 512
3. 2,653 + 4,817
4. 6,003 + 5,734
384
1,326
7,470
11,737
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End of the Lesson
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Five-Minute Check (over Lesson 2–2)
Image Bank
Math Tools
Adding Integers
Comparing and Ordering Integers
Subtracting Positive and Negative Integers
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1. A
2. B
3. C
4. D
(over Lesson 2-2)
A. You can tell that 8 numbers in the set are greater than 0, and 1 number is less than 0.
B. You can tell that 8 numbers in the set are greater than 0, and 2 numbers are less than 0.
C. You can tell that 8 numbers in the set are less than 0, and 1 number is greater than 0.
D. You can tell that 8 numbers in the set are less than 0, and 2 numbers are greater than 0.
If 0 is the second smallest number in a set of 10 integers, what can you conclude about the other 9 numbers?
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1. A
2. B
3. C
4. D
(over Lesson 2-2)
A. 0 < –7
B. –3 > 6
C. –2 > –5
D. 1 < –4
Which of the following is a true sentence?
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