The Common Core in Missouri

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Skills available for Missouri eighth-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 question. Click on the name of a skill to practice that skill.

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RP Ratios and Proportional Relationships

NS Number Sense and Operations

  • NS.A Know that there are numbers that are not rational, and approximate them by rational numbers.

    • NS.A.1 Explore the real number system.

      • NS.A.1.a Know the differences between rational and irrational numbers.

      • NS.A.1.b Understand that all rational numbers have a decimal expansion that terminates or repeats.

      • NS.A.1.c Convert decimals which repeat into fractions and fractions into repeating decimals.

      • NS.A.1.d Generate equivalent representations of rational numbers.

    • NS.A.2 Estimate the value and compare the size of irrational numbers and approximate their locations on a number line.

EEI Expressions, Equations and Inequalities

GM Geometry and Measurement

DSP Data Analysis, Statistics and Probability

  • DSP.A Investigate patterns of association in bivariate data.

    • DSP.A.1 Construct and interpret scatter plots of bivariate measurement data to investigate patterns of association between two quantities.

    • DSP.A.2 Generate and use a trend line for bivariate data, and informally assess the fit of the line.

    • DSP.A.3 Interpret the parameters of a linear model of bivariate measurement data to solve problems.

    • DSP.A.4 Understand the patterns of association in bivariate categorical data displayed in a two-way table.

      • DSP.A.4.a Construct and interpret a two-way table summarizing data on two categorical variables collected from the same subjects.

      • DSP.A.4.b Use relative frequencies calculated for rows or columns to describe possible association between the two variables.

F Functions