Ch. 6 Review

Front

What is an additive relationship?

Back

An additive relationship is when two quantities are combined by addition. For example, if you have 3 apples and you get 2 more, the total is 5 apples.

Front

What is a multiplicative relationship?

Back

A multiplicative relationship is when one quantity is multiplied by another. For example, if you have 4 groups of 3 apples, the total is 12 apples (4 x 3 = 12).

Front

How do you calculate the percentage of a part compared to a whole?

Back

To calculate the percentage, divide the part by the whole and then multiply by 100. For example, 9 out of 20 is (9/20) x 100 = 45%.

Front

What is the equation for a linear relationship between minutes and bubbles blown if 12 bubbles are blown per minute?

Back

The equation is b = 12m, where b is the number of bubbles and m is the number of minutes.

Front

How do you find 35% of a number?

Back

To find 35% of a number, multiply the number by 0.35. For example, 35% of 40 is 40 x 0.35 = 14.

Front

What does it mean to solve for a variable in an equation?

Back

Solving for a variable means finding the value of that variable that makes the equation true.

Front

What is the formula for calculating the total number of items sold if you know the percentage sold?

Back

The formula is Total Sold = (Percentage Sold / 100) x Total Items.

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 is the difference between a fraction and a decimal?

Back

A fraction represents a part of a whole as a ratio of two integers, while a decimal represents a part of a whole using a base-10 system.

Front

How do you convert a fraction to a percentage?

Back

To convert a fraction to a percentage, divide the numerator by the denominator and multiply by 100.