Module 1.1 Review

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 calculate the unit rate from a given quantity?

Back

To calculate the unit rate, divide the total quantity by the number of units. For example, if you have 72 ounces for 12 servings, the unit rate is 72 ÷ 12 = 6 ounces per serving.

Front

If Justin can type 408 words in 4 minutes, how do you find his typing speed per minute?

Back

To find the typing speed per minute, divide the total words by the total minutes: 408 ÷ 4 = 102 words per minute.

Front

What is the formula to find the total number of items in equal groups?

Back

The formula is Total Items = Number of Groups × Items per Group.

Front

If Kevin puts 3 quarters in his coin bank each day, how do you calculate the total after 5 days?

Back

Multiply the number of quarters per day by the number of days: 3 × 5 = 15 quarters.

Front

What is the total number of Pencil Top Erasers in 5 boxes if each box contains 9 erasers?

Back

Total = Number of Boxes × Erasers per Box = 5 × 9 = 45 erasers.

Front

How do you find the unit price of an item?

Back

To find the unit price, divide the total cost by the total weight or quantity. For example, if $40 is spent on 5 pounds of concrete, the unit price is $40 ÷ 5 = $8 per pound.

Front

What does it mean to find a 'rate'?

Back

A rate is a ratio that compares two quantities with different units, such as speed (miles per hour) or cost (dollars per pound).

Front

How can you express a rate as a fraction?

Back

A rate can be expressed as a fraction where the numerator represents one quantity and the denominator represents the other quantity, such as 6 ounces per serving = 6/1.

Front

What is the significance of understanding unit rates in real life?

Back

Understanding unit rates helps in making informed decisions, such as comparing prices, determining best buys, and understanding speeds.