G4CC C04L01 0 - Lecture notes 3 PDF

Preview

Summary

Charoot again...

Description

Lesson

1-0

Lines, and Rays

Lesson Planner

About the Lesson

Developing Mathematical Language

of a number. A.J.’s number is less than 10. Paulo’s number is greater than 10 but less than 50. When their numbers are multiplied the product is a multiple of 5.

Lines, and Rays Materials

Concept Alert

Conne ct the Dots

B

C

D

E

H

D

A

C

G

K

L M

I N

E F

O

R

P Q

S T

J

M is formed with two rays and two line segments

A A is formed with three line segments T T is formed with a line and a ray H is formed with three lines

B

D C

A

E

Points, Line Segments, Lines, and Rays

Chapter 4

Lesson1 1-0-0

Introducing Points, Line Segments, Lines, and Rays

Drawingswillvary.

Drawthefollowingfigures. A. CD

C. GH

B. EF

NCTM St andards 1, 2, 3, 4, 6, 7, 8, 9, 10 Common C ore State Standa rds 4.G 1

 I de nt i f y each figure that contains points X and Y as a line segment, line, or a ray.

G

D E

F H

C

A.

Y

B.

C. Y

D. Y

X

Uselettersandsymbolstonameeachfigureshown.

X

X

ray

A.

X

Y

B. Q

line segment

line

F.

C.

S

T

U

P

ray

PQ E. X

R

TU

RS

G. Y X

Y

Challenge XY and XZ can meet at point Xtomakeastraightline. X

Y Y

line segment

ray

X

Z

line segment WhatotherfigurecouldXY and XZ make?Drawthatfigure.

PossibleAnswer:Theycouldmakeanangle. Y

X

Z

Drawingswillvary.

Materials

Memory Game Ca rds

Instruction

Reflect and Summarize the Lesson

Leveled Problem Solving

Points, Line Segments, Lines, and Rays When line segments, lines, or rays share one point they intersect. X

Y

X

Y

X

line segment Z

X

Y

Decide whether or not each pair of figures will intersect. Write yes or no and explain your reasoning.

line

1. AB and CD

N

Y

X

D

Y

W

line segment

D

B A

line

A

B

C

E A

C

D B

A

Y

D

C

2. AB and CD

B B

A

X

D

B

C

ray

M

No. Line segments do not extend

Yes. The ray will extend straight

past their endpoints.

through segment AB .

3. AB and CD

4. AB and CD

N A

B

C

D

A D

Test Prep

C B D

E

No. These lines will not share any F

No. Line segments do not extend

pointsnomatterhowfaryouextend past their endpoints. them.

Drawing Geometric Figures

B

A

B

C

B C A

C

A

Chapter 4

Lesson 1-0 -0

Introducing Points, Line Segments, Lines, and Rays NCTM Standards 1, 2, 3, 4, 6, 7, 8, 9, 10 Common Core State Standards 4.G 1

IdentifyeachfigurethatcontainspointsXandY asalinesegment,line,oraray.

A.

Y

B.

C. Y

D.

Y

X

X

X X

Y

E. X

F.

G. Y X

Y X

Y

Drawthefollowingfigures. A.CD

C. GH

B. EF

Uselettersandsymbolstonameeachfigureshown. A.

B.

Q

R

S

C. T U

P

Challenge XYandXZ canmeetatpointXtomakeastraightline. Y

X

Z

WhatotherfigurecouldXY andXZ make?Drawthatfigure.

Points, Line Segments, Lines, and Rays

X

X

Y

Z

X

Y

X

Y

B

D

X

Y

N Y

Y

W

E A

X

Test Prep D

E

F

B

When line segments, lines, or rays share one point they intersect.

A

Decide whether or not each pair of figures will intersect. Write yes or no and explain your reasoning. AB and CD

AB and CD

B

A

B

A D C

D C

AB and CD

AB and CD

A

B

C

D

A D B

C

C

D B

Name

Activity Master

Date

Connect the Dots Use a ruler to draw each figure.

B

C

D

E

Name the figures that each letter in the word MATH is made from. H

D

A

C

G

K

L M

I N

E F

O

R

P Q

S T

J

M A

© School S pe cialt y

T

CC 16

Common Core Resource Guide...