Write the fraction $\frac{1}{200}$1200 as a decimal.
Write the fraction $\frac{11}{200}$11200 as a decimal.
Write the fraction $\frac{21}{200}$21200 as a decimal.
Write the fraction $\frac{349}{500}$349500 as a decimal.
Determine and explain, through investigation using concrete materials, drawings, and calculators, the relationships among fractions (i.e.,with denominators of 2, 4, 5, 10, 20, 25, 50, and 100), decimal numbers, and percents