Unit 3 – Assessment
8.G.1. Verify experimentally the
properties of rotations, reflections, and translations:
a. Lines are
taken to lines, and line segments to line segments of the same length.
b. Angles are
taken to angles of the same measure.
c. Parallel
lines are taken to parallel lines.
8.G.2. Understand that a
two-dimensional figure is congruent to another if the second can be obtained
from the first by a sequence of rotations, reflections, and translations; given
two congruent figures, describe a sequence that exhibits the congruence between
them.
8.G.3. Describe the effect of
dilations, translations, rotations, and reflections on two-dimensional figures
using coordinates.
8.G.4. Understand that a
two-dimensional figure is similar to another if the second can be obtained from
the first by a sequence of rotations, reflections, translations, and dilations;
given two similar two-dimensional figures, describe a sequence that exhibits the
similarity between them.
8.G.5. Use informal arguments to
establish facts about the angle sum and exterior angle of triangles, about the
angles created when parallel lines are cut by a transversal, and the
angle-angle criterion for similarity of triangles. For example, arrange three copies
of the same triangle so that the sum of the three angles appears to form a
line, and give an argument in terms of transversals why this is so.
Whole Group – 30 min
· Review Agenda
· Review for Unit 3 Assessment
Independent – 90 min
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