Unit Rate/ Tables and Graphs

Front

What is a unit rate?

Back

A unit rate is a comparison of two different quantities when they are combined together. It expresses how much of one quantity corresponds to one unit of another quantity.

Front

How do you determine if a table represents a proportional relationship?

Back

A table represents a proportional relationship if the ratio of the two quantities remains constant.

Front

What is the unit rate for 120 miles in 2 hours?

Back

60 miles/1 hour.

Front

What does it mean if a relationship is proportional?

Back

It means that as one quantity increases, the other quantity increases at a constant rate.

Front

If a table shows the values (1, 2), (2, 4), (3, 6), is it proportional?

Back

Yes, because the ratio of y to x is constant (2:1).

Front

What is the unit rate for rainfall of 4 cm in 2 hours?

Back

2 cm per hour.

Front

How can you identify a non-proportional relationship in a table?

Back

If the ratios of the two quantities are not constant, the relationship is non-proportional.

Front

What is the unit rate for 1 mile in 1 hour?

Back

1 mile/1 hour.

Front

If a table shows the values (1, 3), (2, 5), (3, 7), is it proportional?

Back

No, because the ratios are not constant.

Front

What is the unit rate for 10 apples for $5?

Back

2 apples per dollar.