8th - 3/3

Happy
Friday!!!!
1 / 17
Slide 1: Slide
Mathematics

This lesson contains 17 slides, with interactive quizzes and text slides.

Items in this lesson

Happy
Friday!!!!

Check in!
😒🙁😐🙂😃

Slide 2 -Poll

What are you looking forward to this weekend?

Slide 3 -Open question

Fun Fact #1 :
February, March, and November always start on the same day of the week unless it's a leap year.

Slide 4 -Slide

Skip count by 12
Put the numbers in order.
timer
1:00
96
12
84
144
24
48
132
72
120
36
60
108

Slide 5 -Drag question

Five and five-tenths
Nine-hundredths

0.09

0.090

5.50

5.500

0.050

0.0050

55.0

0.9

0.900

1.090

Slide 6 -Drag question

GHI                    G'H'I'

G(4, 3)            G' (8, 6)
H(-1, 2)            H' (-2, 4)
I (5, -5)             I'  (10, -10)

Slide 7 -Slide

What is my scale factor?
A
3
B
4
C
1/2
D
2

Slide 8 -Quiz

Enlargement or reduction?
A
Reduction
B
Enlargement

Slide 9 -Quiz

Scale factor = 2

Algebraic Rule is....
A
(x, y) --> (1/2x, 1/2y)
B
(x, y) --> (x, y)
C
(x, y) --> (2x, 2y)
D
(x, y) --> (3x, 3y)

Slide 10 -Quiz

Identify an algebraic rule that will stretch a figure horizontally, but shrink it vertically.
A
(x, y) --> (1/2x, 1/2y)
B
(x, y) --> (2x, 1/2y)
C
(x, y) --> (2x, 3y)
D
(x, y) --> (1/2x, 3y)

Slide 11 -Quiz

Identify an algebraic rule that will shrink a figure horizontally, but stretch it vertically.
A
(x, y) --> (1/2x, 1/2y)
B
(x, y) --> (2x, 1/2y)
C
(x, y) --> (2x, 3y)
D
(x, y) --> (1/2x, 3y)

Slide 12 -Quiz

Match the algebraic rule to the verbal description.
Translation 2 to the left, 1 up
Reflection across the x-axis
Rotation 90 degrees clockwise
Dilation with a scale factor of 1/2
Reflection across the y axis
Rotation 180 degrees
Dilation with a scale factor of 3
(x, y) -->(y, -x)
(x, y) --> (1/2x, 1/2y)
(x, y) --> (x + 2, y + 1)
(x, y) -->(-x, -y)
(x, y) --> (x, -y)
(x, y) --> (3x, 3y)
(x, y) --> (-x, y)

Slide 13 -Drag question

In a ROTATION, the preimage and image are
A
similar
B
congruent

Slide 14 -Quiz

In a REFLECTION, the preimage and image are
A
similar
B
congruent

Slide 15 -Quiz

In a TRANSLATION, the preimage and image are
A
similar
B
congruent

Slide 16 -Quiz

In a DILATION, the preimage and image are
A
similar
B
congruent