Colorado

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Skills available for Colorado second-grade 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 problem. Click on the name of a skill to practice that skill.

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K-4.1 Students develop number sense and use numbers and number relationships in problem-solving situations and communicate the reasoning used in solving these problems.

K-4.2 Students use algebraic methods to explore, model, and describe patterns and functions involving numbers, shapes, data, and graphs in problem-solving situations and communicate the reasoning used in solving these problems.

K-4.3 Students use data collection and analysis, statistics, and probability in problem-solving situations and communicate the reasoning used in solving these problems.

K-4.4 Students use geometric concepts, properties, and relationships in problem-solving situations and communicate the reasoning used in solving these problems.

K-4.5 Students use a variety of tools and techniques to measure, apply the results in problem-solving situations, and communicate the reasoning used in solving these problems.

K-4.6 Students link concepts and procedures as they develop and use computational techniques, including estimation, mental arithmetic, paper-and-pencil, calculators, and computers, in problem-solving situations and communicate the reasoning used in solving these problems.