This is a set of 5 documents intended to be used over four days. It is arranged as three days worth of double-sided pages for use in class and two days worth of single-sided pages for use as homework (or supplemental instruction). The product is directly aligned to the Common Core Standard of 5.NBT.3a "Read and write decimals to thousandths using base-ten numerals, number names, and expanded form, e.g., 347.392 = 3 × 100 + 4 × 10 + 7 × 1 + 3 × (1/10) + 9 × (1/100) + 2 × (1/1000)."