geom8_31_12.notebook
August 31, 2012
warm­up:
Name the geometric term modeled by each object.
1. a table cloth
2. a dart tip
3. a partially­opened newspaper
4. a knot in a string
5. Cell phone signal
6. train tracks
7. a beach towel 1
geom8_31_12.notebook
Questions
August 31, 2012
Lesson 1­2:Precision and Measurement
English system
Metric System
2
geom8_31_12.notebook
August 31, 2012
K
H
D
B
D
C
M
3
geom8_31_12.notebook
August 31, 2012
Precision:
4
geom8_31_12.notebook
August 31, 2012
Congruent figures:
5
geom8_31_12.notebook
August 31, 2012
Betweeness of points:
Point B is between points D and E.
If DB = 20 and BE = 15. Find DE.
If DE = 36 and DB = 17. Find BE.
6
geom8_31_12.notebook
August 31, 2012
Find y and PQ if P is between Q and R, PQ = 2y, QR = 3y +1, and PR = 21.
Find the value of the variable and LM if L is between N and M.
NL = 6x­5, LM = 2x + 3, and NM = 30.
7
geom8_31_12.notebook
August 31, 2012
8
geom8_31_12.notebook
August 31, 2012
9
geom8_31_12.notebook
August 31, 2012
10
geom8_31_12.notebook
August 31, 2012
11
geom8_31_12.notebook
August 31, 2012
12