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Grade 8: Geometry

674 questions40 skills

8.G.A.1a

24 questions2 skills
Lines are taken to lines, and line segments to line segments of the same length.

8.G.A.1b

24 questions2 skills
Angles are taken to angles of the same measure.

8.G.A.1c

24 questions2 skills
Parallel lines are taken to parallel lines.

8.G.A.2

52 questions4 skills
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.A.4

68 questions4 skills
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.A.5

173 questions7 skills
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.

8.G.B.6

11 questions1 skill
Explain a proof of the Pythagorean Theorem and its converse.

8.G.B.8

21 questions1 skill
Apply the Pythagorean Theorem to find the distance between two points in a coordinate system.

8.G.C.9

88 questions6 skills
Know the formulas for the volumes of cones, cylinders, and spheres and use them to solve real-world and mathematical problems.