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Practice: Informally fit a straight line (line of best fit) to a scatter plot suggesting a linear association. (NC.8.SP.2)
Targeted practice for NC.8.SP.2: Informally fit a straight line (line of best fit) to a scatter plot suggesting a linear association. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Use the formulas for the volumes of cylinders, cones, and spheres to solve problems. (NC.8.G.9)
Targeted practice for NC.8.G.9: Use the formulas for the volumes of cylinders, cones, and spheres to solve problems. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Add and subtract rational numbers, describing real-world contexts using sums and differences. (NC.7.NS.1)
Targeted practice for NC.7.NS.1: Add and subtract rational numbers, describing real-world contexts using sums and differences. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Solve problems involving scale drawings, using a scale factor to compute actual lengths and areas. (NC.7.G.1)
Targeted practice for NC.7.G.1: Solve problems involving scale drawings, using a scale factor to compute actual lengths and areas. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Use fractions to model and solve division problems; interpret a fraction as division. (NC.5.NF.3)
Targeted practice for NC.5.NF.3: Use fractions to model and solve division problems; interpret a fraction as division. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Classify quadrilaterals in a hierarchy based on their properties. (NC.5.G.3)
Targeted practice for NC.5.G.3: Classify quadrilaterals in a hierarchy based on their properties. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Apply the Pythagorean Theorem and its converse to solve real-world and mathematical problems. (NC.8.G.7)
Targeted practice for NC.8.G.7: Apply the Pythagorean Theorem and its converse to solve real-world and mathematical problems. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Solve real-world and mathematical problems by writing and solving one-variable linear equations and inequalities. (NC.8.EE.7)
Targeted practice for NC.8.EE.7: Solve real-world and mathematical problems by writing and solving one-variable linear equations and inequalities. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Know that an irrational number is a non-repeating, non-terminating decimal; understand decimal expansions. (NC.8.NS.1)
Targeted practice for NC.8.NS.1: Know that an irrational number is a non-repeating, non-terminating decimal; understand decimal expansions. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Draw polygons in the coordinate plane and find side lengths. (NC.6.G.3)
Targeted practice for NC.6.G.3: Draw polygons in the coordinate plane and find side lengths. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Compare properties of two linear functions represented in different ways. (NC.8.F.2)
Targeted practice for NC.8.F.2: Compare properties of two linear functions represented in different ways. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Construct and interpret scatter plots, describing patterns of association between two quantities. (NC.8.SP.1)
Targeted practice for NC.8.SP.1: Construct and interpret scatter plots, describing patterns of association between two quantities. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Use informal arguments about triangle angle sums, exterior angles, parallel lines cut by a transversal, and the angle-angle criterion. (NC.8.G.5)
Targeted practice for NC.8.G.5: Use informal arguments about triangle angle sums, exterior angles, parallel lines cut by a transversal, and the angle-angle criterion. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Solve real-world problems involving the four operations with rational numbers. (NC.7.NS.3)
Targeted practice for NC.7.NS.3: Solve real-world problems involving the four operations with rational numbers. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Use facts about supplementary, complementary, vertical, and adjacent angles to write and solve equations for unknown angles. (NC.7.G.5)
Targeted practice for NC.7.G.5: Use facts about supplementary, complementary, vertical, and adjacent angles to write and solve equations for unknown angles. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Use the equation of a linear model to solve problems, interpreting the slope and y-intercept. (NC.8.SP.3)
Targeted practice for NC.8.SP.3: Use the equation of a linear model to solve problems, interpreting the slope and y-intercept. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Find probabilities of compound events using organized lists, tables, tree diagrams, and simulation. (NC.7.SP.8)
Targeted practice for NC.7.SP.8: Find probabilities of compound events using organized lists, tables, tree diagrams, and simulation. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Solve multi-step real-world problems with positive and negative rational numbers in any form. (NC.7.EE.3)
Targeted practice for NC.7.EE.3: Solve multi-step real-world problems with positive and negative rational numbers in any form. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.