Unit Rate and Better Buy Challenge

What is the primary form in which a unit rate must be expressed?

• Decimal

• Fraction

• Whole number

• Percentage

To convert a rate to a unit rate, what must the denominator be?

• Zero

• The same as the numerator

• One

• Ten

If someone types 120 words in 2 minutes, how many words do they type per minute?

• 30 words

• 60 words

• 120 words

• 240 words

How many books per box if there are 54 books and 9 boxes?

• 54 books

• 5 books

• 9 books

• 6 books

In calculations involving money and another unit, which should be listed first?

• The unit

• The money

• Neither should be first

• Either can be first

What does 'better buy' compare?

• Quality of products

• Quantity of products

• Popularity of products

• Price per unit of products

For a coffee priced at $3.45 for 12 ounces, what is the unit price per ounce after rounding?

• $0.29

• $0.30

• $0.28

• $0.27

Which coffee offers a better price per ounce, $4.15 for 16 ounces or $3.45 for 12 ounces?

• Both are the same

• $3.45 for 12 ounces

• Neither

• $4.15 for 16 ounces

What rounding rule is applied to determine the final price per ounce in currency calculations?

• Always round down

• Always round up

• Round up at five or more

• Round down at five or more

When comparing unit prices, why is it important to always place money first in the calculation?

• To simplify the calculation

• To comply with mathematical rules

• To ensure accuracy in financial contexts

• It is not important