IL.6. Number Sense: Demonstrate and apply a knowledge and sense of numbers, including numeration and operations (addition, subtraction, multiplication, division), patterns, ratios and proportions.
6.B. Investigate, represent and solve problems using number facts, operations (addition, subtraction, multiplication, division) and their properties, algorithms and relationships.
6.B.2. Solve one- and two-step problems involving whole numbers, fractions and decimals using addition, subtraction, multiplication and division.
6.C. Compute and estimate using mental mathematics, paper-and-pencil methods, calculators and computers.
6.C.2a. Select and perform computational procedures to solve problems with whole numbers, fractions and decimals.
IL.8. Algebra and Analytical Methods: Use algebraic and analytical methods to identify and describe patterns and relationships in data, solve problems and predict results.
8.C. Solve problems using systems of numbers and their properties.
8.C.2. Explain operations and number properties including commutative, associative, distributive, transitive, zero, equality and order of operations.