everyday math grade 4 – lesson 1.4 parallelograms copyright © 2010 kelly mott

Everyday MathGrade 4 – Lesson 1.4

Parallelograms

Copyright © 2010 Kelly Mott


Math Boxes Lesson 1.4


Math Box 1:


Math Box 2:


Math Box 3:


Math Box 4:


Math Box 5:


REVIEW

ACopyright © 2010 Kelly Mott

Name the FigurePoint

BA


Name the FigureLine Segment

A B C


Name the FigureLine

BA


Name the FigureRay

A

BC

Name the Angle


Right Angle

90 degrees


Name the AngleAcute Angle

Less than 90 degrees


Name the AngleObtuse Angle

Greater than 90 degrees and less than 180 degrees


Name the AngleStraight Angle

180 degrees

Name the Triangle


Right Triangle

Name the Triangle


Isosceles Triangle

Name the Triangle


Equilateral Triangle

Name the Triangles


Scalene Triangle

Name the Quadrangle

4


Rectangle

Name the Quadrangle

4Copyright © 2010 Kelly Mott

Square

Name the Quadrangle


Rhombus

Name the Quadrangle


Trapezoid

Name the Quadrangle


Kite

Name the Quadrangle


1. Rectangle2. Square3. Trapezoid4. Rhombus5. Kite

Name the Quadrangle

Rectangle

Square

Trapezoid

Rhombus Kite

20% 20% 20%20%20%


1. Rectangle2. Square3. Trapezoid4. Rhombus5. Kite


Lesson 1.4Skill: Parallelograms

Part 1: What does it mean if something is parallel?


• f

• If 2 things are parallel it means that they are the same distance apart and that they never touch.


What does it mean if something is parallel?


Parallel Lines

• f

• These lines are called parallel lines because they are the ______________ distance apart and they _________________ touch.

A B

C D


Parallel Lines

• f

• This is how you would write line AB is parallel to line CD:

A

B

C

Dor


Parallel Lines

F

E F

G H

or or

JK

LM


Parallel Lines Practice 1

• f

• These line segments are called parallel line segments because they are the ___________ distance apart and they _________________ touch.

A B

C D


Parallel Line Segments

• f

• This is how you would write line segment AB is parallel to line segment CD:

A

B

C

Dor



F

E F

G H

or or

JK

LM


Parallel Line Segments Practice 1

• f

• These rays are called parallel rays because they are the ___________ distance apart and they _________________ touch.

A B

C D


Parallel Rays

• f

• This is how you would write ray AB is parallel to ray CD:

A

B

C

D


Parallel Rays

F

E F

G HJ

K

LM


Parallel Rays Practice 1

Part 1: What is a parallelogram?


• A parallelogram is a quadrangle with opposite sides _______________ and opposite angles _______________.

• Note: The opposite sides must be parallel to each other.

What is a parallelogram?


• A _________________, _________________, and _________________are all considered parallelograms because:

1. Opposite sides are equal 2. Opposite angles are equal

Parallelograms


• These are all parallelograms:

Parallelograms


• These are not parallelograms:

Not Parallelograms


Practice 2: Is it a parallelogram?C.


D.

Yes or No

Practice 3: Is it a parallelogram?E.


F.

Yes or No

Practice 4: Is it a parallelogram?E.


F.

Yes or No

• Remember parallelograms have opposite equal sides and opposite equal angles.

Circle the Parallelograms


Part 4: Turning Point Review


Is it a parallelogram?

Yes N

o

50%50%


1.Yes2.No

Does this make sense?



HOMEWORK : PARALLELOGRAM POSTER

Rectangle SquareRhombus

Parallelograms

Does this make sense?



HOMEWORK

What kind of lines are these?


Parallel Lines

What kind of line segments are these?



What kind of rays are these?


Parallel Rays

everyday math grade 4 – lesson 1.4 parallelograms copyright © 2010 kelly mott

Documents

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kelly mott kite slide

kelly mott rectangle

kelly mott square slide

kelly mott rhombus slide

kelly mott trapezoid

kelly mott review slide

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