World HolidaysChristmas Day Solving linear equations Eighth Grade Math Displaying data Eighth Grade Math Geometric Proportions Seventh Grade Math Introduction to Percent Seventh Grade Math Ratios, proportions and percents Eighth Grade Math Numerical Proportions Seventh Grade Math
OR.8.1. Algebra: Analyze and represent linear functions, and solve linear equations and systems of linear equations.
8.1.2. Determine the slope of a line and understand that it is a constant rate of change.
8.1.3. Identify and interpret the properties (i.e. slope, intercepts, continuity, and discreteness) of linear relationships as they are shown in the different representations and recognize proportional relationships ( y/x = k or y = kx ) as a special case.
OR.8.2. Data Analysis and Algebra: Analyze and summarize data sets.
8.2.1. Organize and display data (e.g., histograms, box-and-whisker plots, scatter plots) to pose and answer questions; and justify the reasonableness of the choice of display.
8.2.2. Use measures of center and spread to summarize and compare data sets.
8.2.3. Interpret and analyze displays of data and descriptive statistics.
OR.8.3. Geometry and Measurement: Analyze two- and three-dimensional spaces and figures by using distance and angle.
8.3.4. Use models to explore the validity of the Pythagorean Theorem, and use it to find missing lengths.
8.3.5. Apply the Pythagorean Theorem to find distances in a variety of 2- and 3-dimensional contexts, including distances on coordinate graphs.
8.3.6. Use models and referents to explore and estimate square roots.
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