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Geometry Solve Problems Organize Model Compute Communicate Measure Reason Analyze

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The result of moving a shape according to a rule; translations, reflections, and rotations are all ways to transform shapes.

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Perform a single transformation (translation, rotation or reflection) of a 2-D shape, and draw and describe the image. Identify and describe a single transformation, including a translation, rotation and reflection of 2-D shapes.

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The result of sliding a shape along a straight line. Translation Rule: A way of describing a translation with pictures or numbers. Ex: 2 units left, 2 units up

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ion/translationload.html ion/translationload.html

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the 2-D shape and its image are congruent (size and shape are the same) the 2-D shape and its image have the same orientation (that is, if we go around the object ABCD in a clockwise direction, we should be able to also go around its image A'B'C'D' in a clockwise direction.)

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Lesson #1: Page 153, # 1, 2 & 3 Tasks # 1, 2, 3, & 4 Workbook, page 37 Extra Practice Sheets 1 & 2

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The result of flipping a 2-D shape across a line of reflection. Line of Reflection: A line that falls exactly halfway between the points of a shape and the matching points of its reflection.

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- a 2-D shape and its image are congruent - a 2-D shape and its image are of opposite orientation (This is, if we go around the object ABCD in a clockwise direction, the image A'B'C'D‘ would require a counter-clockwise direction.)

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Lesson # 3: Page 158, # 1, 2, 3, 4, & 9 Tasks # 7, 8, & 9 Workbook pages 38 & 39

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The result of turning a shape. Center of Rotation: The point that a shape turns around Clockwise (cw): The direction a clock’s hands move. Counterclockwise (ccw): The opposite direction to clockwise. Orientation: When the orientation of a shape changes, the vertices of the shape will be in a different order.

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TeacherLED Interactive Whiteboard Resource Rotation Around Point TeacherLED Interactive Whiteboard Resource Rotation Around Point

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the direction of the turn the fraction of the turn the point of rotation

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Lesson # 4: Page 160, # 2, 3, 4, 5, 6, & 9 Workbook pages 40

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