# 8th - 3/3

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

In deze les zitten 17 slides, met interactieve quizzen en tekstslides.

## Onderdelen in deze les

Happy
Friday!!!!

Check in!
😒🙁😐🙂😃

#### Slide 2 -Poll

What are you looking forward to this weekend?

#### Slide 3 -Open vraag

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

#### Slide 4 -Tekstslide

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 -Sleepvraag

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 -Sleepvraag

GHI                    G'H'I'

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

#### Slide 7 -Tekstslide

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

#### Slide 8 -Quizvraag

Enlargement or reduction?
A
Reduction
B
Enlargement

#### Slide 9 -Quizvraag

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 -Quizvraag

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 -Quizvraag

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 -Quizvraag

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 -Sleepvraag

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

#### Slide 14 -Quizvraag

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

#### Slide 15 -Quizvraag

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

#### Slide 16 -Quizvraag

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