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Practice: Compare two populations informally using measures of center and variability. (NC.7.SP.3)
Targeted practice for NC.7.SP.3: Compare two populations informally using measures of center and variability. 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 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: Model linear relationships with y = mx + b; determine and interpret rate of change and initial value. (NC.8.F.4)
Targeted practice for NC.8.F.4: Model linear relationships with y = mx + b; determine and interpret rate of change and initial value. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Understand Unit Ratios (NC.6.RP.2)
Targeted practice for NC.6.RP.2: Understand that ratios can be expressed as equivalent unit ratios by finding and interpreting both unit ratios in context. 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: Recognize and represent proportional relationships using tables, graphs, equations, and the constant of proportionality. (NC.7.RP.2)
Targeted practice for NC.7.RP.2: Recognize and represent proportional relationships using tables, graphs, equations, and the constant of proportionality. 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: Fluently add, subtract, multiply, and divide multi-digit decimals using standard algorithms. (NC.6.NS.3)
Targeted practice for NC.6.NS.3: Fluently add, subtract, multiply, and divide multi-digit decimals using standard algorithms. 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: Understand that the probability of a chance event is a number between 0 and 1. (NC.7.SP.5)
Targeted practice for NC.7.SP.5: Understand that the probability of a chance event is a number between 0 and 1. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Apply properties of operations to add, subtract, expand, and factor linear expressions with rational coefficients. (NC.7.EE.1)
Targeted practice for NC.7.EE.1: Apply properties of operations to add, subtract, expand, and factor linear expressions with rational coefficients. 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: Write, Read, and Evaluate Algebraic Expressions (NC.6.EE.2)
Targeted practice for NC.6.EE.2: Write, read, and evaluate algebraic expressions. Write expressions that record operations with numbers and letters standing for numbers. Identify parts of an expression using mathematical terms (sum, term, product, factor, quotient, coefficient). Evaluate expressions at specific values of their variables. 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: 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 problems involving area, perimeter, surface area, and volume of two- and three-dimensional figures. (NC.7.G.6)
Targeted practice for NC.7.G.6: Solve problems involving area, perimeter, surface area, and volume of two- and three-dimensional figures. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.
Practice: Find greatest common factor and least common multiple; use the distributive property. (NC.6.NS.4)
Targeted practice for NC.6.NS.4: Find greatest common factor and least common multiple; use the distributive property. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.