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.
Students solve problems involving addition and subtraction of whole numbers. They model and solve simple problems involving multiplication and division.
3.2.1 Add and subtract whole numbers up to 1,000 with or without regrouping, using relevant properties of the number system.
3.2.8 Use mental arithmetic to add or subtract with numbers less than 100.
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.