Understanding Ratio Notation, Rate Language And Unit Rates

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

How do you express a ratio?

Back

Ratios can be expressed in three ways: using a colon (e.g., 2:3), as a fraction (e.g., 2/3), or in words (e.g., 'two to three').

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' (e.g., miles per hour).

Front

How do you calculate speed?

Back

Speed is calculated by dividing the distance traveled by the time taken. Formula: Speed = Distance / Time.

Front

If Addison drove 1,080 miles in 20 hours, what was her speed?

Back

54 miles per hour (mph).

Front

What is the ratio of pears to all fruit if there are 4 apples, 2 bananas, and 5 pears?

Back

The ratio of pears to all fruit is 5:11.

Front

What does the term 'unit price' mean?

Back

Unit price is the cost per single unit of a product, helping to compare prices of different quantities.

Front

If Mrs. Edgar bought an eight pack of bottled water for $4.00, what was the unit price?

Back

The unit price was $0.50 per bottle.

Front

How do you find the unit rate from a given rate?

Back

To find the unit rate, divide the total quantity by the number of units (e.g., if 20 soccer balls are kicked in 5 minutes, divide 20 by 5).

Front

What is the ratio of soccer balls kicked per minute if John kicks 20 soccer balls in 5 minutes?

Back

John kicks 4 soccer balls per minute.