Podcast
Questions and Answers
What is the primary goal for students in this lesson?
What is the primary goal for students in this lesson?
- To memorize geometric figures on the coordinate plane
- To learn about the history of geometric transformations
- To create geometric figures on a computer program
- To identify transformation types applied to geometric figures (correct)
Which of the following describes a transformation applied to a geometric figure?
Which of the following describes a transformation applied to a geometric figure?
- Drawing the figure on a different surface
- Rotating the figure 90 degrees around a point (correct)
- Labeling the figure with its coordinates
- Changing the color of the figure
What skills should students demonstrate by the end of Lesson 1 and 2?
What skills should students demonstrate by the end of Lesson 1 and 2?
- Sketching geometric transformations manually
- Calculating the area of geometric figures
- Analyzing the properties of geometric figures
- Accurately identifying transformation types (correct)
Which of the following concepts is likely NOT covered in the lesson about transformations?
Which of the following concepts is likely NOT covered in the lesson about transformations?
Which statement best reflects the lesson's objective regarding transformations?
Which statement best reflects the lesson's objective regarding transformations?
Flashcards
Geometric Transformation
Geometric Transformation
Changes in the position, shape, or size of a geometric figure on a coordinate plane.
Coordinate Plane
Coordinate Plane
A two-dimensional plane formed by the intersection of a horizontal x-axis and a vertical y-axis.
Transformation Type
Transformation Type
Different ways a shape can be changed on a coordinate plane (e.g., translation, rotation, reflection).
Lesson Objective
Lesson Objective
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Accuracy
Accuracy
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Study Notes
Revision Day 1
- Module 1, Lessons 1 and 2
- Pages 5-20
- Instructor: Mr. Kristoffer
Lesson Objectives
- Students should identify the type of transformation applied to a geometric figure on a coordinate plane accurately.
Identifying Transformations
- Question 8: Figure B is not a transformation of Figure A because they are not the same size.
- Question 9: Figure Y is a transformation of Figure X because they have the same shape and size; it is a flip.
- Question 3, A: The shapes are a flip.
- Question 3, B: The shapes are not equal in size.
- Question 10: Identifying the transformation (slide, flip, turn) for given figures.
- Question 14: Figure B is not a translation of Figure A because their sizes are not matching.
Translations
- Question 3: Triangle DEF is translated 3 units to the right, and 4 units down using the rule (x, y) → (x + 3, y – 4). This results in new coordinates for the vertices of the image.
Test Prep
- Question 6: Figure 3 is the translation of Figure A.
- Question 7: The triangle is translated using the rule (x, y) → (x − 3, y + 2). The coordinates of the image are calculated.
Transformations - Other examples
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Question 8: A quadrilateral translated 5 units right and 3 units down. Expressions that would calculate x and y coordinates for the image are identified.
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Identifying transformations as either Flip, Slide or Turn for given figures
More on Transformations
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Page 13: Reflections across the y-axis are demonstrated
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Question 15:
- Parallelogram ABCD was translated to parallelogram A'B'C'D'.
- The x-coordinates of parallelogram ABCD moved 3 units to the right.
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Question 16:
- Two trapezoids are given.
- Side AB is congruent to side YZ (True, based on stated congruence).
- ∠A is congruent to ∠X (True, based on stated congruence, angles).
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