Write the fraction $\frac{9}{1000}$91000 as a decimal.
Write the following fraction as a decimal:
$\frac{2}{1000}$21000
Write the fraction $\frac{81}{1000}$811000 as a decimal.
Write the fraction $\frac{40}{1000}$401000 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