Proportions

Solve the proportion below:

• 418

• 2

• 38

• 11

A cake recipe calls for 1.5 cups of milk and 3 cups of flour. Seth made a mistake and used 5 cups of flour. How many cups of milk should he use to keep the proportions correct?

• 2.5 cups milk

• 1.75 cups milk

• 2 cups flour

• 2.25 cups milk

Solve the proportion below:

• 42

• 6

• 2

• 28

Does this table represent a proportional relationship?

• Proportional

• Not Proportional

Write how to find the proportion of

2:8 :: 25:625

(Do not give space first right the means than the extremes.)

Mathematical Equivalence

ON

• F

• G

• H

• J

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

• F

• G

• H

• J

Determine whether each pair of ratios forms a proportion

• Proportion

• Not a Proportion

is it proportional?

• yes

• no