Write the fraction $\frac{3}{10}$310 as a decimal.
Write the fraction $\frac{5}{10}$510 as a decimal.
Write the fraction $\frac{1}{2}$12 as a decimal.
Write the fraction $\frac{4}{5}$45 as a decimal.
Rewrite rational numbers in different but equivalent forms including fractions, mixed numbers, repeating decimals and percentages to solve mathematical and real-world problems.