Rates Activity

Front

What is a unit rate?

Back

A unit rate is a ratio that compares a quantity to one unit of another quantity, often expressed as 'per' something (e.g., miles per hour, dollars per item).

Front

How do you calculate the cost of one item from a multi-pack purchase?

Back

To find the cost of one item, divide the total cost of the multi-pack by the number of items in the pack.

Front

What is the formula to calculate speed in kilometers per hour?

Back

Speed (km/hr) = Total distance (km) / Total time (hr).

Front

How do you determine which store has the best buy when comparing prices?

Back

To determine the best buy, calculate the price per unit for each store and compare them; the lowest price per unit is the best buy.

Front

What is the difference between a rate and a ratio?

Back

A rate is a specific type of ratio that compares quantities with different units, while a ratio compares quantities with the same units.

Front

How do you compare two different sized items to find the better buy?

Back

Calculate the price per ounce (or other unit) for each item and compare these values; the item with the lower price per unit is the better buy.

Front

What is the significance of understanding rates in real-life applications?

Back

Understanding rates helps in making informed decisions in various situations, such as shopping, traveling, and budgeting.

Front

If a 12-ounce can of corn costs $1.92, what is the cost per ounce?

Back

Cost per ounce = Total cost / Total ounces = $1.92 / 12 = $0.16 per ounce.

Front

What is the unit rate for a car traveling 300 miles in 5 hours?

Back

Unit rate = Total distance / Total time = 300 miles / 5 hours = 60 miles per hour.

Front

How can you express a rate as a fraction?

Back

A rate can be expressed as a fraction by placing the two quantities being compared in the numerator and denominator, respectively.