IXL - Missouri eighth-grade math standards

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Skills available for Missouri eighth-grade math standards

Standards are in black and IXL math skills are in blue. 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.

Standards document:

2010 Common Core State Standards 2010 Common Core State Standards
2007 Missouri Grade and Course Level Expectations 2007 Missouri Grade and Course Level Expectations

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8.N Number and Operations

8.A Algebraic Relationships

8.A.1 Understand patterns, relations and functions
8.A.1.B generalize patterns represented graphically or numerically with words or symbolic rules, using explicit notation
8.A.1.C compare and contrast various forms of representations of patterns
8.A.1.D identify functions as linear or nonlinear from tables, graphs or equations
- Nonlinear functions: Identify linear and nonlinear functions (Eighth grade - W.1)
8.A.2 Represent and analyze mathematical situations and structures using algebraic symbols
8.A.2.A use symbolic algebra to represent and solve problems that involve linear relationships
8.A.2.B use properties to generate equivalent forms for simple algebraic expressions that include all rationals
8.A.3 Use mathematical models to represent and understand quantitative relationships
8.A.3.A model and solve problems, using multiple representations such as graphs, tables, and linear equations
8.A.4 Analyze change in various contexts
8.A.4.A analyze the nature of changes (including slope and intercepts) in quantities in linear relationships

8.G Geometric and Spatial Relationships

8.M Measurement

8.M.2 Apply appropriate techniques, tools and formulas to determine measurements
8.M.2.B solve problems of angle measure, including those involving triangles and parallel lines cut by a transversal
8.M.2.D analyze precision and accuracy in measurement situations and determine number of significant digits
- Measurement: Precision (Eighth grade - L.5)

8.D Data and Probability

8.D.1 Formulate questions that can be addressed with data and collect, organize and display relevant data to answer them
8.D.1.C select, create and use appropriate graphical representation of data (including scatter plots) and box plots (box and whiskers)
8.D.2 Select and use appropriate statistical methods to analyze data
8.D.2.A find, use and interpret measures of center, outliers and spread, including range and interquartile range
8.D.2.B compare different representations of the same data and evaluate how well each representation shows important aspects of the data
- Charts and graphs: Choose the best type of graph (Eighth grade - N.16)
8.D.3 Develop and evaluate inferences and predictions that are based on data
8.D.3.A make conjectures about possible relationships between 2 characteristics of a sample on the basis of scatter plots of the data and approximate lines of fit