1 EASY $$\frac{1}{2}\div\frac{1}{2}=$$

 2 EASY $$\frac{10}{12}\div\frac{2}{12}=$$

 3 EASY $$\frac{1}{4}\times\frac{1}{2}=$$

 4 MEDIUM $$\frac{2}{3}\div\frac{8}{12}=$$

 5 MEDIUM $$\frac{1}{2}\times\frac{8}{9}=$$