Understanding Ratios and Rates

What is a ratio?

• A comparison of two numbers by addition.

• A comparison of two numbers by subtraction.

• A comparison of two numbers by multiplication.

• A comparison of two numbers by division.

How are ratios and fractions related mathematically?

• They are completely different.

• They are basically the same thing.

• Ratios are always larger than fractions.

• Fractions are always larger than ratios.

What is the main difference between ratios and fractions?

• How they are written.

• How they are used to describe things.

• The types of numbers they use.

• Their mathematical operations.

If a ratio is 1 sandwich to 2 people, what does the '1' represent?

• The total number of items.

• The number of people.

• The number of sandwiches.

• A part of a sandwich.

How can the ratio "1 to 2" also be written?

• 1 + 2

• 1 - 2

• 1:2

• 1 x 2

What is the ratio of apples to oranges if a fruit stand sells 5 apples for every 3 oranges?

• 3:5

• 5:3

• 5+3

• 5-3

If a cookie recipe uses 2 cups of flour for every 1 cup of sugar, what is the ratio of flour to sugar?

• 1:2

• 2:1

• 2+1

• 2-1

What is a rate?

• A relationship between two numbers

• A ratio that involves time

• A type of fraction

• A way to compare two different things

What makes a rate a "unit rate"?

• The top number is 1

• The bottom number is 1

• It compares two different things

• It involves time

A car travels 120 miles in 3 hours. What is its unit rate of speed?

• 30 miles per hour

• 40 miles per hour

• 120 miles per hour

• 3 miles per hour