everyday math grade 4 – lesson 1.9 copyright © 2010 kelly mott

Everyday MathGrade 4 – Lesson 1.9

Copyright © 2010 Kelly Mott

Lesson Components:Part 1: Math Boxes 1.9 6Part 2: Geometry ReviewPart 3: PowerPoint LessonPart 4: Turning Point QuizPart 5: Math Journal Page 25



Math Boxes Lesson 1.9


Math Box 1:


Math Box 2:


Math Box 3:

100Th

10Th Th H T O


Math Box 4:


Math Box 5:


GEOMETRYREVIEW

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

• These are all parallelograms:

Parallelograms


rectangle rhombus parallelogram square

• These are not parallelograms:

Not Parallelograms


kite trapezoid

Name the Polygon

5


Pentagon


Name the PolygonHexagon

7


Name the PolygonHeptagon

8


Name the PolygonOctagon

9


Name the PolygonNonagon

10


Name the PolygonDecagon

What kind of lines are these?


Parallel Lines



Intersecting Lines



Perpendicular Lines


Lesson 1.9Skill: Unit 1 Review

x A polygon is a flat, closed figure with _____ or

more sides.

A polygon is a flat, closed figure with _____ or

more sides.

Polygons Not Polygons

Polygons


1

x A polygon is a flat, closed figure with _____ or

more sides.

A polygon is a flat, closed figure with _____ or

more sides.

Polygons Not Polygons

Circle the Polygons


2

• A convex polygon is a polygon in which all sides are pushed outward.

• A concave polygon is a polygon in which at least two sides are pushed in.


Convex Polygons

3

Is it convex or concave?A.

Convex or Concave


B.

Convex or Concave4

Pentagon

Decagon

Heptagon

Match the Polygons 1


5

10

7

5

Square

Octagon

Nonagon



4

8

9

6

Hexagon

Rectangle

Triangle



6

3

4

7

• f

Circle the Acute Angles


8

• f

Circle the Right Angles


9

• f


Circle the Obtuse Angles

10

• f


Circle the Straight Angles

11

s

Label the Triangles:Isosceles, Equilateral, Right, Scalene


12

F

_________ or __________ _________ or __________

E F H I


Name the Line Segments

13

F

_________ or __________ _________ or __________

R S S T


Name the Lines

14

_____________________ _____________________


Name the Rays

K L M N

15

Names:1. ___________________2. ___________________3. ___________________

H

G

I

Name the Angles

ED

FNames:1. ___________________2. ___________________3. ___________________

JK

L


16

• 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?

17

Circle the Ones that are Parallel


Name _____________________________________Lesson 1.4

18

• f

• If 2 things intersect, it means that they cross each other.


What does it mean if something intersects?

19

• f

Circle the Pairs that Interect


20

• f

• If two things are perpendicular, it means that they intersect or cross at right angles.


What does it mean if something is perpendicular?

21

• f

Circle the Pairs that are Perpendicular


22

• 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?


23

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

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

Parallelograms


24

• These are all parallelograms:

Parallelograms


rectangle rhombus parallelogram square25

• These are not parallelograms:

Not Parallelograms


kite trapezoid26

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

Circle the Parallelograms


27

Does this make sense?



Turning Point

A __________ is a location in space that is usually marked with a dot.

Line

Line se

gment Point

Ray

0% 0%0%0%

Z

1. Line2. Line segment3. Point4. Ray


A __________ is made up of a set of points and continues without end in

both directions.

Line

Line se

gment Point

Ray

0% 0%0%0%



A __________ straight path that has a starting point and goes forever in one

direction.


Line

Line se

gment Point

Ray

25% 25%25%25%


A __________ is made up of 2 points with a straight path between them.

Line

Line se

gment Point

Ray

0% 0%0%0%



What kind of angles is this?

Right

Acute

Obtu

se

Straight

0% 0%0%0%


1. Right2. Acute3. Obtuse4. Straight

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

Name the triangles.

Equila

tera

l

Isosce

les Righ

t

0% 0%0%

1. Equilateral2. Isosceles3. Right


Name these triangles.

Equila

tera

l

Isosce

les

Scalene

Right

0% 0%0%0%

1. Equilateral2. Isosceles3. Scalene4. Right


Name these triangles.

Equila

tera

l

Isosce

les

Scalene

0% 0%0%

1. Equilateral2. Isosceles3. Scalene


Name the Polygon:

Deca

gon

Hepta

gon

Triangle

0% 0%0%

1. Decagon2. Heptagon3. Triangle


10

Name the Polygon:

Hexa

gon

Pentagon

Hepta

gon

0% 0%0%

1. Hexagon2. Pentagon3. Heptagon


5

Name the Polygon:

Octa

gon

Nonagon

Deca

gon

0% 0%0%

1. Octagon2. Nonagon3. Decagon


8

Name the Polygon:

Hexa

gon

Pentagon

Nonagon

0% 0%0%

1. Hexagon2. Pentagon3. Nonagon


6

Name the Polygon:

Hexa

gon

Hepta

gon

Octa

gon

0% 0%0%

1. Hexagon2. Heptagon3. Octagon


7

Name the Polygon:

Nonagon

Pentagon

Deca

gon

0% 0%0%

1. Nonagon2. Pentagon3. Decagon


9

Is it Convex or Concave?

Convex

Concave

50%50%


1. Convex2. Concave

everyday math grade 4 – lesson 1.9 copyright © 2010 kelly mott

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