Identifying Proportional Relationships in Daily Life

A recipe calls for 2 cups of flour for every 3 cups of sugar. If you have a table showing the amount of flour and sugar used, is this a proportional relationship?

• Yes, it is a proportional relationship.

• The relationship is only proportional for certain amounts.

• No, it is not a proportional relationship.

• Flour and sugar are not related in this recipe.

A car travels 60 miles in 1 hour. If a table shows the distance traveled over time, can you determine if the relationship is proportional?

• No, the relationship is not proportional.

• It cannot be determined without more data.

• The relationship is only proportional at certain speeds.

• Yes, the relationship is proportional.

A gardener plants 4 rows of flowers, with 5 flowers in each row. If a table shows the number of rows and total flowers, is this a proportional relationship?

• No, it is not a proportional relationship.

• The relationship is only proportional for certain values.

• Yes, it is a proportional relationship.

• There is not enough information to determine the relationship.

A store sells 3 notebooks for $6. If a table shows the number of notebooks and total cost, is this relationship proportional?

• The number of notebooks does not affect the total cost.

• Yes, the relationship is proportional.

• The cost increases by a fixed amount, not proportionally.

• No, the relationship is not proportional.

A recipe requires 1 egg for every 2 cups of milk. If a table shows the number of eggs and cups of milk, is this a proportional relationship?

• It depends on the amount of sugar used.

• No, it is not a proportional relationship.

• Yes, it is a proportional relationship.

• The relationship is only proportional for whole numbers.

A bike rental shop charges $15 for 3 hours. If a table shows the hours rented and total cost, is this a proportional relationship?

• Yes

• No, it's a fixed rate regardless of time

• Yes, but only for 5 hours

• No, the cost varies with hours

A factory produces 100 toys in 2 hours. If a table shows the number of toys produced over time, is this a proportional relationship?

• Yes, it is a proportional relationship.

• No, it is not a proportional relationship.

• The relationship is only proportional for the first hour.

• The number of toys produced decreases over time.

A school has 4 classes with 30 students each. If a table shows the number of classes and total students, is this a proportional relationship?

• No, it is not a proportional relationship.

• The relationship is only proportional for certain classes.

• Yes, it is a proportional relationship.

• There is not enough information to determine the relationship.

A painter charges $200 for 5 hours of work. If a table shows the hours worked and total charge, is this a proportional relationship?

• No, it is not a proportional relationship.

• The charge is fixed regardless of hours worked.

• The relationship is only proportional for 10 hours or more.

• Yes, it is a proportional relationship.

A recipe uses 3 cups of rice for every 4 cups of water. If a table shows the amount of rice and water, is this a proportional relationship?

• Yes, but only if the water is heated.

• No, it is not a proportional relationship because of the different measurements.

• Yes, it is a proportional relationship if the ratio of rice to water remains constant.

• No, the ratio of rice to water changes.