6 th grade math homework chapter 7.1
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6 th Grade Math Homework Chapter 7.1. Page 324 #1-14 all. 7-1. Points, Lines, and Planes. Course 1. Warm Up. Problem of the Day. Lesson Presentation. 7-1. Points, Lines, and Planes. Course 1. Warm Up What geometry term might you associate with each object? 1. a string on a guitar - PowerPoint PPT PresentationTRANSCRIPT
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6th Grade Math Homework Chapter 7.1
Page 324#1-14 all
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7-1 Points, Lines, and Planes
Course 1
Warm UpWarm Up
Lesson PresentationLesson PresentationProblem of the DayProblem of the Day
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Warm UpWhat geometry term might you associate with each object?
1. a string on a guitar2. a window3. the tip of a pencil4. a sheet of paper
line segmentplane or rectangle
point
Course 1
7-1 Points, Lines, and Planes
plane or rectangle
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Problem of the DayDraw a clock face that includes the numerals 1–12. Draw two lines that do not intersect and that separate the clock face into three parts so that the sums of the numbers on each part are the same.
Course 1
7-1 Points, Lines, and Planes
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Today’s Learning Goal Assignment
Learn to describe figures by using
the terms of geometry.
Course 1
7-1 Points, Lines, and Planes
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BrainPOP Video
http://www.brainpop.com/math/geometryandmeasurement/geometry/
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Vocabularypointlineplaneline segmentray
Insert Lesson Title Here
Course 1
7-1 Points, Lines, and Planes
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Course 1
7-1 Points, Lines, and PlanesThe building blocks of geometry are points, lines, and planes.
A plane is a flat surface that plane LMN, extends without end in all plane MLN, directions. plane NLM
A plane is named by three points on the plane that are not on the same line.
M
N
L
A point is an exact location. P point P, P
A point is named by a capital letter. A line is a straight path that line AB, AB, extends without end in A B line BA, BA opposite directions.
A line is named by two points on the line.
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Course 1
7-1 Points, Lines, and PlanesAdditional Example 1A &1B: Identifying Points,
Lines, and PlanesUse the diagram to name each geometric figure.
A. three pointsM, N, and PFive points are labeled: points M, N, P, Q, and R.
B. two linesPR and NRYou can also write RP and RN.
Q
N
P R M
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Course 1
7-1 Points, Lines, and PlanesTry This: Example 1A &1B
Use the diagram to name each geometric figure.
A. three pointsS, T, and UFive points are labeled: points S, T, U, V, and W.
B. two linesUW and SWYou can also write WU and WS.
V
S
U W T
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Course 1
7-1 Points, Lines, and PlanesAdditional Example 1C & 1D: Identifying Points,
Lines, and PlanesUse the diagram to name each geometric figure.C. a point shared by two lines
point R
D. a planeplane QRMUse any three points in the plane that are not on the same line. Write the three points in any order.
Point R is a point on PR and NR.
Q
N
P R M
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Course 1
7-1 Points, Lines, and PlanesTry This: Example 1C & 1D
Use the diagram to name each geometric figure.
C. a point shared by two linespoint W
D. a planeplane VUTUse any three points in the plane that are not on the same line. Write the three points in any order.
Point W is a point on WS and WU. V
S
U W T
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Course 1
7-1 Points, Lines, and Planes
A line segment is a line segment XY, XY, made of two endpoints Y line segment YX, YX and all the points between X the endpoints.
A line segment is named by its endpoints.
A ray has one endpoint. ray JK, JK From the endpoint, the ray J K extends without end in one direction only.
A ray is named by its endpoint first followed by another point on the ray.
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Course 1
7-1 Points, Lines, and PlanesAdditional Example 2A & 2B: Identifying Line
Segments and RaysUse the diagram to give a possible name to each figure.A. three different
line segments
B. three ways to name the line
You can also write BA, CB, and CA.
AB, BC, and ACYou can also write BA, CB, and CA.
AB, BC, and AC C
A B
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Course 1
7-1 Points, Lines, and PlanesTry This: Example 2A & 2B
Use the diagram to give a possible name to each figure.
A. three different line segments
B. three ways to name the line
You can also write ED, FE, and FD.
DE, EF, and DFYou can also write ED, FE, and FD.
DE, EF, and DFF
DE
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Course 1
7-1 Points, Lines, and PlanesAdditional Example 2C & 2D: Identifying Line
Segments and RaysUse the diagram to give a possible name to each figure.C. six different rays
D. another name for ray AB
A is still the endpoint. C is another point on the ray.
AB, AC, BC, CB,
CA, and BA
AC
C
A B
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Course 1
7-1 Points, Lines, and PlanesTry This: Example 2C & 2D
Use the diagram to give a possible name to each figure.
C. six different rays
D. another name for ray DE
D is still the endpoint. F is another point on the ray.
DE, EF, DF, FE,
FD, and ED
DF
F
DE
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Lesson Quiz
Use the diagram to name each geometric figure.1. three points
2. two lines
3. a point shared by a line and a ray
4. a plane
Possible answer: A, B, C
Insert Lesson Title Here
Possible answer: F
Possible answer: plane AEC
Course 1
7-1 Points, Lines, and Planes
Possible answer: AD, CE