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m2h day01-05 wkof-8-27 - Mr Jones' Web...
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8/30/2018 1 Welcome Back to Class! On your desk you should have: Calculator, Pen/Pencil, & WUN Warm Up (6 min) – 8/30 1. The point B(-5, 3) is reflected twice. First over the line then over the y-axis. How far is B’ from B? 2. C(3, -5) was reflected over a line to form C’(3, 3). What line was used for the reflection?
Transcript of m2h day01-05 wkof-8-27 - Mr Jones' Web...
8/30/2018
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Welcome Back to Class!On your desk you should have:Calculator, Pen/Pencil, & WUN
Warm Up (6 min) – 8/301. The point B(-5, 3) is reflected twice. First over the line then over the y-axis. How far is B’ from B?
2. C(3, -5) was reflected over a line to form C’(3, 3). What line was used for the reflection?
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Flow’s Map• Warm Up (6 min)• Review Warm Up (5 min)• Questions from assignment (CompTrans02, <15 min)• Lesson: Symmetry (50 min)• *Worktime for assignment (remainder)
Warm Up (6 min) – 8/301. The point B(-5, 3) is reflected twice. First over the line then over the y-axis. How far is B’ from B?
14 units away, horizontally
2. C(3, -5) was reflected over a line to form C’(3, 3). What line was used for the reflection?
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Questions from AssignmentRemember: due tomorrow by EOD
Counts for a quiz grade
Lesson: SymmetryG-CO.3, G-CO.4
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Important TerminologyWhat is symmetry?
Important TerminologyWhat is symmetry?
- An ability to “mirror” a shape onto itself- An ability to cut a shape into congruent pieces- “Foldable”
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Symmetry – Two TypesRotational: a shape can be rotated around its center to
produce the same “visual” shape; does not have to be a basic rotation (i.e., can be any turning amount between 0o and 360o)
Reflexive: a shape can be mirrored over a line and produce the same “visual” shape; vertex labels do not need to match up but vertices have to “swap”
Example 1Determine any, and all, lines of
symmetry for the figure.
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Example 2Determine any, and all, lines of
symmetry for the figure.
Example 3Determine any, and all, lines of
symmetry for the figure.
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Example 4Determine any, and all, lines of
symmetry for the figure.
Example 5Determine any, and all, lines of
symmetry for the figure.
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Example 6Determine any, and all, lines of
symmetry for the figure.
Example 7Determine any, and all, lines of
symmetry for the figure.
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Example 8Determine any, and all, lines
of symmetry for the figure.
Example 9Determine any, and all, lines
of symmetry for the figure.
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Example 10Determine if the figure has
rotational symmetry. If it does define the basic rotation needed.
Note: This is a rectangle
Example 11Determine if the figure has
rotational symmetry. If it does define the basic rotation needed.
Note: This is an equilateral triangle
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Example 12Determine if the figure has
rotational symmetry. If it does define the basic rotation needed.
Note: This is a square.
Example 13Determine if the figure has
rotational symmetry. If it does define the basic rotation needed.
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Example 14Determine if the figure has
rotational symmetry. If it does define the basic rotation needed.
ReminderCompTrans02 is due tomorrow
If you’re leaving school early you are expected to turn it in before you leave
You have the remainder of the period to work on it
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End of ThursdayHip hop hoppotimus
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