IN.3.1. Number Sense
Students understand the relationships among numbers, quantities, and place value in whole numbers up to 1,000. They understand the relationship among whole numbers, simple fractions, and decimals.
3.1.3 Use words, models, and expanded form to represent numbers up to 1,000.
IN.3.3. Algebra and Functions
Students select appropriate symbols, operations, and properties to represent, describe, simplify, and solve simple number and functional relationships.
3.3.2 Solve problems involving numeric equations.
3.3.3 Choose appropriate symbols for operations and relations to make a number sentence true.
3.3.6 Solve simple problems involving a functional relationship between two quantities.