What is a proportion?

State whether the ratios are proportional and show proof to support your answer!

$$\frac{3}{9}$$ and $$\frac{5}{15}$$

State whether the ratios are proportional and show proof to support your answer!

$$\frac{6}{18}$$ and $$\frac{27}{81}$$

State whether the ratios are proportional and show proof to support your answer!

$$\frac{4}{6}$$ and $$\frac{2}{9}$$

State whether the ratios are proportional and show proof to support your answer!

$$\frac{11}{20}$$ and $$\frac{22}{40}$$

State whether the ratios are proportional and show proof to support your answer!

$$\frac{57}{14}$$ and $$\frac{7}{2}$$

Are the ratios $$\frac{4}{1}$$  and  $$\frac{20}{5}$$   equivalent?

Are the ratios 7 to 18 and 1 to 2 equivalent?

Are the ratios 1:2 and 4:7 equivalent?

$$\frac{10}{2}$$  Which ratio is equivalent to

Students at the OB School prefer tacos to pizza in a ratio of 3 to 2. If 90 students prefer tacos, how many prefer pizza?

Mason went on a fishing trip. He hooked 1 bass for every 2 catfish he caught. How many bass did he catch if he caught 14 catfish?