1.opener a) evaluate: for b = -4 b) simplify: c) simplify:

1. Opener

a) Evaluate: for b = -4

b) Simplify:

c) Simplify:

d) What was the most popular boy name in 1997 (the year you were born)? What was the most popular girl name?

Building Blocks of Geometry

2. Supplies

Take out the required school supplies to be checked (keep everything in the left corner on your desk)

We need for todayPen or PencilLoose-Leaf Paper

Take out 10 index cards and place on the corner of your desk.

Quote of the Day

Nature’s great book is written in

mathematical symbols.GALILEO GALILEI

POINTAn undefined term thought of as a location with no size or dimension.

LINEAn undefined term thought of as a straight, continuous arrangement of infinitely many points extending forever in two directions.

PLANEAn undefined term though of as a flat surface that extends indefinitely along it’s edges.

COLLINEAROn the same line.

COLLINEAR

COPLANAROn the same plane.

LINE SEGMENTTwo points and all the points between them that are collinear with the two points.

END POINTSThe point at either end of a segment or an arc, or the first point of a ray.

CONGRUENTIdentical in shape and size.

BISECTSTo divide into two congruent parts.

RAYA point on a line, and all the points of the line that lie on one side of this point.

3. ClassworkWhich tennis balls are coplanar?

4. Classwork

Ex:

What we CAN write:

What we CAN’T write:

Equal=NumbersAB - length

Congruent

5. Notes

Shapes

6. Notes

A

B

C

D

F G

H

7. ClassworkWrite down every congruency statement.

A

B

C

D

F G

H

8. NotesMidpoint: The point on a segment that’s the same distance from both endpoints.

D is the midpoint of BC

H is the midpoint of FD

A is the midpoint of DE

9. Practice

10. Homework

Homework #1 Q1

Pg. 13 – Lesson 1.2: 1-10; 52-59; 85 (odd)

Pg. 19 - 1.3: 1-9; 33-35; 48; 63-66 (odd)