Day 51 Proportions and Ratio Tables

Front

What is a proportion?

Back

A proportion is an equation that states that two ratios are equal.

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

What does additive relationship mean?

Back

An additive relationship means that a constant amount is added to a quantity to get the next value.

Front

What does multiplicative relationship mean?

Back

A multiplicative relationship means that each value in a sequence is multiplied by a constant factor to get the next value.

Front

How do you find the rate of a quantity?

Back

To find the rate, divide the total quantity by the total time taken.

Front

If a quantity doubles, what type of relationship is this?

Back

This is a multiplicative relationship.

Front

If a quantity increases by 5 each time, what type of relationship is this?

Back

This is an additive relationship.

Front

What is the formula for finding a unit rate?

Back

The formula for finding a unit rate is: Rate = Total Quantity / Total Time.

Front

If Reggie ran 216 yards in 8 minutes, what is his running rate?

Back

27 yards per minute.

Front

If Allie's views increased from 10 to 40 in a week, by what factor did her views change?

Back

By a factor of 4.