The Common Core in Maryland

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Skills available for Maryland high school math standards

Standards are in black and IXL math skills are in dark green. Hold your mouse over the name of a skill to view a sample question. Click on the name of a skill to practice that skill.

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1 Congruence, Proof, and Constructions

  • Experiment with transformations in the plane.

    • 1.G.CO.1 Know precise definitions of angle, circle, perpendicular line, parallel line, and line segment, based on the undefined notions of point, line, distance along a line, and distance around a circular arc.

      • 1.G.CO.1.a Ability to fluently use mathematical vocabulary accurately