Proportional Relationships Fraction

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• The point (8,4) shows that 8 cups of tomato sauce are needed and 4 cups of tomato paste are needed for the recipe.

• The recipe always requires the same amount of tomato paste as tomato sauce.

• The point (4,2) shows that 4 cups of tomato sauce are needed and 2 cups of tomato paste are needed for the recipe.

• The point (2,1) shows that 1 cups of tomato sauce are needed and 2 cups of tomato paste are needed for the recipe.

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Which situation matches this expression: 3/5 ÷ 1/4

• An athlete runs 3/5 kilometers in 4 minutes. A this rate, how many kilometers does the athlete run in 1 minute?

• A teacher fills an empty white pitcher with 3/5 gallon of water and an empty blue pitcher with 1/4 gallon of water. How many more gallons of water are now in the white pitcher than in the blue pitcher?

• Mr. Smith has 3/5 pound of beans. He uses 1/4 pound of beans each week. At that rate, for how many weeks will his beans last?

• A worker cuts pieces of string that are each 3/5 yard in length. How many pieces of string can the worker cut from a piece of string that is 1/4 yard in length?

Which best describes the graph represented in this table?

•  proportional

• non-proportional

Mathematical Equivalence

ON

Mathematical Equivalence

ON

What was Brian's unit rate?

• 3/2 word per minute

• 30 minutes per word

• 60 minutes per word

• 30 words per minute

Identify the constant of proportionality, AKA, the unit rate.

Mathematical Equivalence

ON

Write an equation that represents the relationship between the weight (x) and the cost (y).

Mathematical Equivalence

ON