TODAY IN GEOMETRY…

Warm Up: Algebra Review Handout 1

Learning Goal: 1.1 You will name and sketch geometric figures

Independent Practice – NO A.T.

Algebra Review Quiz – Monday/Tuesday

REFRESHER: ALGEBRA 1 REVIEW

WARM UP:

ALGEBRA 1 REVIEW 2 HANDOUT

UNDEFINED TERMS OF GEOMETRY (3):1. POINT:

2. LINE:

3. PLANE:A B

CM

Represented by a letter.

Represented by line with two arrowheads. Can be named by any two points on the line.

Represented by three points NOT on the same line.

A Bs

C

C

Point C

𝐴�́�𝐴𝐵

𝐶𝐵Line s

Plane ABCPlane M

Points A, B, and C are COLLINEAR because they lie on the same line, .

COLLINEAR POINTS: Two or more points that lie on the same line.

A

EB

C

D

Points E, B and D are COLLINEAR because they lie on the same line, .

1. Give two other names for .

2. Give two other names for plane R.

3. Name three points that are collinear.

4. Give six other names for line m.

PRACTICE:

𝑄𝑃𝐿𝑖𝑛𝑒𝑛

𝑃𝑙𝑎𝑛𝑒𝑃𝑉𝑆𝑃𝑙𝑎𝑛𝑒𝑉𝑆𝑇 𝑃𝑙𝑎𝑛𝑒𝑉𝑃𝑇

𝑆 ,𝑃 ,𝑇𝑆𝑇𝑆𝑃𝑃𝑇𝑇𝑆𝑃𝑆𝑇𝑃

A B

endpoint endpoint

You can name this line segment two ways: .

SEGMENT: Line segment consists of the endpoints A and B and all point between A and B.

A

B

endpoint

Continuous arrow

RAY: Ray consists of the endpoint A and continuous points in the direction of B.

You can name this ray only one way:

1. Give another name for .

2. Name all rays with endpoint J.

PRACTICE:

𝐻𝐺

�⃗�𝐻𝐽𝐺𝐽𝐹𝐽𝐸

INTERSECTION: Two or more geometric figures intersect if they have one or more points in common.

A

E

B

CD

𝐴𝐷intersects⃗𝐸𝐵at point C

Line segment AB intersects ray EG at point X.

Horizontal line CD intersects ray BF at point Z.

A

BE

G

X C D

B

F

Z

PRACTICE: Draw the following figures described below.

HOMEWORK #1:

Pg. 5: 1, 5, 8-11, 13, 15, 17-21, 27-30, 46

REMINDER: turn in your Student Acknowledgment and Agreement Form!