Ratio Tables

Front

What is a ratio?

Back

A ratio is a comparison of two quantities that shows the relative size of one quantity to another, often expressed as 'a:b'.

Front

What is a ratio table?

Back

A ratio table is a table that displays pairs of numbers that form equivalent ratios, helping to visualize the relationship between the quantities.

Front

How do you find a missing number in a ratio table?

Back

To find a missing number, use the known ratios to set up a proportion and solve for the unknown.

Front

What does a 1:2 ratio mean?

Back

A 1:2 ratio means that for every 1 unit of the first quantity, there are 2 units of the second quantity.

Front

If a table shows a ratio of 3:4, what is the equivalent ratio if both numbers are multiplied by 2?

Back

The equivalent ratio is 6:8.

Front

How can you determine if two ratios are equivalent?

Back

Two ratios are equivalent if their cross products are equal.

Front

What is the formula to calculate the total distance traveled at a constant speed?

Back

Distance = Speed × Time.

Front

If Ernie travels 195 miles in 3 hours, what is his speed?

Back

Speed = Distance / Time = 195 miles / 3 hours = 65 miles per hour.

Front

Using the speed from the previous question, how far will Ernie travel in 5 hours?

Back

Distance = Speed × Time = 65 miles/hour × 5 hours = 325 miles.

Front

What is the relationship between ratios and fractions?

Back

Ratios can be expressed as fractions, where the first quantity is the numerator and the second quantity is the denominator.