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.
3.1.2 Identify and interpret place value in whole numbers up to 1,000.
3.1.3 Use words, models, and expanded form to represent numbers up to 1,000.
3.1.6 Round numbers less than 1,000 to the nearest ten and the nearest hundred.