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: Graph points in the first quadrant of the coordinate plane and interpret coordinates. (NC.5.G.1)

Targeted practice for NC.5.G.1: Graph points in the first quadrant of the coordinate plane and interpret coordinates. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.

Practice: Write, explain, and evaluate numerical expressions involving the four operations using order of operations and properties. (NC.5.OA.2)

Targeted practice for NC.5.OA.2: Write, explain, and evaluate numerical expressions involving the four operations using order of operations and properties. 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: Compute and solve real-world problems with multi-digit whole numbers and decimals. (NC.5.NBT.7)

Targeted practice for NC.5.NBT.7: Compute and solve real-world problems with multi-digit whole numbers and decimals. Each problem gives immediate feedback with the full worked solution. Ungraded practice toward proficiency.