Proportions and Unit rate

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

Front

How do you find the unit rate?

Back

To find the unit rate, divide the total quantity by the number of units.

Front

If 4 apples cost $3, what is the unit rate per apple?

Back

The unit rate is $0.75 per apple.

Front

What is the constant of proportionality?

Back

The constant of proportionality is the ratio between two proportional quantities.

Front

If y = kx, what does k represent?

Back

k represents the constant of proportionality in the equation.

Front

What is a proportional relationship?

Back

A proportional relationship is one where two quantities maintain a constant ratio.

Front

How can you tell if a table of values is proportional?

Back

A table of values is proportional if the ratios of corresponding values are constant.

Front

What does the equation y = 4x represent?

Back

It represents a proportional relationship where y is four times x.

Front

If a bug travels at a rate of 2 cm per second, how long will it take to travel 32 cm?

Back

It will take 16 seconds.

Front

What is the formula to find the cost of multiple items given a unit price?

Back

Cost = Unit Price × Number of Items.