New York State Learning Standards and Core Curriculum
NY-5.NBT. Number & Operations in Base Ten
Understand the place value system.
NY-5.NBT.1. Recognize that in a multi-digit number, a digit in one place represents 10 times as much as it represents in the place to its right and 1/10 of what it represents in the place to its left.
NY-5.NBT.3. Read, write, and compare decimals to thousandths.
NY-5.NBT.3a. Read and write decimals to thousandths using base-ten numerals, number names, and expanded form.
Perform operations with multi-digit whole numbers and with decimals to hundredths.
NY-5.NBT.7. Using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between operations: add and subtract decimals to hundredths; multiply and divide decimals to hundredths. Relate the strategy to a written method and explain the reasoning used.