North Dakota Academic Content StandardsND.5.NBT. Number and Operations in Base TenUnderstand the place value system. 5.NBT.3. Read, write, and compare decimals to thousandths.5.NBT.3.a. Read and write decimals to thousandths using base-ten numerals, word form, and expanded form.5.NBT.3.b. Compare two decimals to thousandths based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons.