Amazing Math Lessons.

Please browse our selection of mathematics lessons sorted by subject and current common core standards for improving math achievement for every student.

Basic Math: Grade 8

Below are a set of lesson plans and worksheets for Grade 8 Math that correspond to Common Core concepts and help students solve real-world problems. Lesson previews provide a quick glimpse at the provided materials.

  • Concept:

    Geometry
  • Common Core Standard: CCSS.Math.Content.8.G.A.1.A
  • Description: Lines are taken to lines, and line segments to line segments of the same length.
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basic geometry image
  • Concept:

    Geometry
  • Common Core Standard:CCSS.Math.Content.8.G.A.1.B
  • Description: Angles are taken to angles of the same measure.
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basic geometry image
  • Concept:

    Geometry
  • Common Core Standard:CCSS.Math.Content.8.G.A.1.C
  • Description: Parallel lines are taken to parallel lines.
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basic geometry image
  • Concept:

    Geometry
  • Common Core Standard:CCSS.Math.Content.8.G.A.2
  • Description: 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.
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geometry image
  • Concept:

    Geometry
  • Common Core Standard:CCSS.Math.Content.8.G.A.3
  • Description: Describe the effect of dilations, translations, rotations, and reflections on two-dimensional figures using coordinates.
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geometry image
  • Concept:

    Geometry
  • Common Core Standard:CCSS.Math.Content.8.G.A.4
  • Description: 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.
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geometry image
  • Concept:

    Geometry
  • Common Core Standard:CCSS.Math.Content.8.G.A.5
  • Description: 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.
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geometry image
  • Concept:

    Geometry
  • Common Core Standard:CCSS.Math.Content.8.G.B.6
  • Description: Explain a proof of the Pythagorean Theorem and its converse.
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lesson on pythagorean theorem image
  • Concept:

    Geometry
  • Common Core Standard:CCSS.Math.Content.8.G.B.7
  • Description: Apply the Pythagorean Theorem to determine unknown side lengths in right triangles in real-world and mathematical problems in two and three dimensions.
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lesson on pythagorean theorem and right triangles image
  • Concept:

    Geometry
  • Common Core Standard:CCSS.Math.Content.8.G.B.8
  • Description: Apply the Pythagorean Theorem to find the distance between two points in a coordinate system.
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geometry image
  • Concept:

    Geometry
  • Common Core Standard:CCSS.Math.Content.8.G.C.9
  • Description: Know the formulas for the volumes of cones, cylinders, and spheres and use them to solve real-world and mathematical problems.
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geometry image

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