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Chapter 6 transformations

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Presentation on theme: "Chapter 6 transformations"— Presentation transcript:

1 Chapter 6 transformations

2 Bellwork “quick check” pg. 448 (1-11)

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4 Complete Pg. 451 “Partner investigation”

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7 vOCAB

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9 What do you think of when you hear the word translate?

10 With your partner, discuss what you think it means to translate an image in geometry.

11 Translate means “to slide”

12 Ex.1

13 Answer looks like this….

14 Ex. 2

15 Ex. 3 You can use a table instead of graphing.

16 Try making a table on this one…

17 Ex. 4 describe what happened

18 Try this one on your own…

19 Lets try some in your textbook…
pg. 456 (1-5)

20 Aleks computer Assignment- Skills practice & homework practice

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22 Day 2- Reflections

23 Bellwork

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27 What do you think of when you hear the word reflection?
What happens to the image when it is reflected?

28 IMPORTANT*

29 Write this down!

30 Ex. 1

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33 Ex. 2

34 Answer:

35 Try this one on your own…

36 Ex. 3

37 Your answer should look something like this…

38 One more….

39 Partner practice pg. 465 (1-7)

40 Independent Practice on Aleks

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42 Day 3 - Rotations

43 Bellwork

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45 What does it mean to rotate something?

46 Vocab 1.) Rotation 2.) Center of rotation

47 Very Important Rules! Please write them down!
When rotating around the origin (0,0) Clockwise Counter clockwise Notation rule

48 Ex. 1 Step 1: graph the image
Step 2: make a list of new coordinates using rule notation Step 3: plot new image

49 Try this one on your own…

50

51 Day 4- Dilations

52 BEllwork After a translations 2 units left and 4 units down.
1.) Find the coordinates for triangle xyz After a reflection across the y-axis. 2.) Find the coordinates for triangle xyz After a rotation 180 degrees about the origin 3.) Find the coordinates for triangle xyz After a translations 2 units left and 4 units down.

53 Discuss with your neighbor: What do you think of when you hear the word dilate? What do you think it means to dilate an image?

54 Recap from yesterday

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56 A dilation can be an enlargement or a reduction.
To enlarge means: ___________________________ To reduce means:____________________________

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58 The Scale factor tells you what to multiply all the coordinates by.
Multiplying by a whole number will _____________ the image. Multiplying by a fraction will ______________ the image.

59 Ex. 1

60 Ex.2

61 Ex. 3

62 Ex. 4

63 Ex. 4

64 Try this one on your own…

65 In class assignment

66


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