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Practice: Represent and interpret data, including line plots. (NC.5.MD.2)
Targeted practice for NC.5.MD.2: Represent and interpret data, including line plots. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Display and interpret bivariate categorical data using two-way tables and relative frequencies. (NC.8.SP.4)
Targeted practice for NC.8.SP.4: Display and interpret bivariate categorical data using two-way tables and relative frequencies. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
The Body's Organ Tour
A 45-minute introductory tour of the major organs of the human body for 7th grade. Students learn the body's levels of organization, the one main function of each major organ across six systems, and the most common disease or malfunction of each, framed through structure and function.
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: 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: Develop and use probability models to find probabilities of simple events. (NC.7.SP.7)
Targeted practice for NC.7.SP.7: Develop and use probability models to find probabilities of simple events. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Use sample data to draw inferences about a population, including estimating population characteristics. (NC.7.SP.2)
Targeted practice for NC.7.SP.2: Use sample data to draw inferences about a population, including estimating population characteristics. 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: Summarize numerical data sets, including range and measures of center. (NC.6.SP.5)
Targeted practice for NC.6.SP.5: Summarize numerical data sets, including range and measures of center. 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: 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: 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: 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: 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: 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: 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: 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.