welcome1stdaypwpt2014
TRANSCRIPT
Welcome!My name is Mr. BIANCO
This class is Honors GEOMETRY
Please take a seat, grab a piece of paper and make a
name plate, don’t talk, and we will get to work shortly!
Find the number that does not belong? Explain.
9 16 25 43
Find the number that does not belong? Explain.
9
Find the number that does not belong? Explain.
16
Find the number that does not belong? Explain.
25
Find the number that does not belong? Explain.
43
Rule for Mr. Bianco’s class room• BE ON TIME- Which means in your
seat working on the drill when the bell rings• No eating or drinking is allowed• No gum• No cell phones, iPods, headphones, or electric
devices• No talking while the teacher or another
student is talking/explaining information.
Can you solve? •If t + u + v = 42 and 2u + 2v = 60, what is the value of t?
A) 12 B) 14 C) 18 D) 24 E) 27
•If yz = 10 and 2xyz = 5, what is the value of 2x? (answer as a decimal or whole number)
Practice #2:
Practice #3:• If a(x + y) = 45 and ax = 15, what is the value of ay?
A) 3 B) 5 C) 15
D) 25 E) 30
Practice #4:• If xy = 7 and x – y= 5, then x2 y – xy2 =
A) 2 B) 12 C) 24
D) 35 E) 70
Practice #5:•If x10 = 5555 and
what is the value of xy? (answer as a decimal or whole number)
59
y
x
Practice #6:• If 2x + z = 2y and 2x + 2y + z = 20, what is the value of y?
A) 5 B) 8 C) 10 D) 15 E) It cannot be determined from
the information given.
GT Geom. Objective
•Students Will (STW). . .–Define basic terms in geometry–Explore basic concepts, ideas, and write
conjectures
#1
Good Definitions?
Key Terms•Point•Line•Plane•Space•Collinear
•Noncollinear•Coplanar•Noncoplanar•Intersection
Key Terms•Segment•Ray•Opposite rays•Postulate
Draw a picture and Define
•Point•Lines•Planes
VOCABULARY LIST
• 1. POINT, LINE, PLANE-UNDEFINED TERMS
Describe the terms:
• 1. Point-• Example: Labeled
using capital letters
A
Describe the terms:
• 1. Line -Named using Caps• Example: GH
GH
Describe the terms:
• 1. Line -Named using lowercase
• Example: line m
m
Plane• Flat• extends infinitely in all
directions in 2D• named by 3 noncollinear
points or one capital letter
Describe the terms:
• 1. Plane-• Example: plane ABC
A B
C
Define CollinearCollinear Noncollinear
A
BA
B
VOCABULARY LIST
• COLLINEAR - POINTS ON THE SAME LINE
• NONCOLLINEAR- POINTS NOT ON THE SAME LINE
Define CoplanarCoplanar Noncoplanar
VOCABULARY LIST
• COPLANAR POINTS- POINTS ALL IN ONE PLANE
Vocabulary•Segment-Two endpoints and
all points in between. Part of a line
•Ray- A HALF-LINE THAT STARTS
AT A POINT AND GOES ON FOREVER.
VOCABULARY LIST
• 2. SEGMENT- BC• Example:
B C
VOCABULARY LIST
• 3. RAY- • Example: DE
D E
Words to add to your vocabulary list
• Congruent• Adjacent angles
Complete the statement:
1. Through any two points there is . . .
2. Two points determine . . .
3. Three noncollinear points determine . .
4. If two points lie in a plane, then the. . .
5. The intersection of two planes is . . .