Math PowerPoint Lessons, Teacher Lessons That Integrate Technology And Help ... - 9-8 ·...
Transcript of Math PowerPoint Lessons, Teacher Lessons That Integrate Technology And Help ... - 9-8 ·...
Quadrilateral - Four sided figure.
Parallelogram - A quadrilateral with two sets ofparallel sides
Objective - To identify and describe the properties of quadrilaterals.
parallel sides.
Properties of Parallelograms.
Opposite sides have the same length.
Properties of Parallelograms.
Opposite angles have the same measure.
Classifying QuadrilateralsQuadrilateral - Four sided figure.Trapezoid - A quadrilateral with only one set of
parallel sides.Parallelogram - A quadrilateral with two sets of
parallel sidesparallel sides.Rectangle - A parallelogram with right angles.
Rhombus - A parallelogram with equal sides.
Square - A rectangle with equal sides or arhombus with right angles.
Quadrilateral4 sided figure
TrapezoidOnly 1 setof parallel
sides
I l
ParallelogramTwo sets
of parallelsides
RectangleRhombusIsosceles Trapezoid
RectangleParallel-ogram
with right angles
RhombusParallel-ogram
with equalsides
SquareRhombuswith right
angles
Rectanglewith equal
sides
Make a Venn Diagram that accurately depictsthe relationships between quadrilaterals, trapezoids,parallelograms, rhombuses, rectangles, and squares.
ParallelogramQuadrilaterals
Square RectangleRhombus
Trapezoid
Lesson 9-8
Math 6 Slide Show: Teaching Made Easy As Pi, by Mike Mills and James Wenk © 2011
State whether each statement is always true, sometimes true, or false.
1) A square is a rectangle.
2) A rectangle is a square.
3) All rectangles are squares.
Always True
Sometimes True
False) g q
4) All squares are parallelograms.
5) All quadrilaterals are rectangles.
6) A square is a trapezoid.
7) A parallelogram is a rectangle.
Always True
False
False
Sometimes True
Give all the names that apply to the figure below.Circle the most specific name.
1) 3)
Parallelogram, Quadrilateral
6
10
7
7Quadrilateral, Parallelogram,
2) 4)
g Q
Trapezoid, Quadrilateral
6 68
14
Q g, Square
3 3
3 3Quadrilateral, Parallelogram
Rectangle
Rhombus,
Find the measures of x an y in each figure.
1) 3)
x = 4, y = 8
4
8
9
9x = 9, y = 9
x
yx
y
2) 4)
, y
x = 75, y = 105
x y
75105
, y
x = 10, y = 120
xy 10
120
Find the sum of the measures of the angles and theperimeter.
75
12
105
B C75105
12
26
75
Sum of the angles =
26A105
D
105 75 105 75+ + + 360=
Perimeter = 12 26 12 26+ + + 76=
Lesson 9-8 (cont.)
Math 6 Slide Show: Teaching Made Easy As Pi, by Mike Mills and James Wenk © 2011