Double Number Line/Absolute value

Front

What is a double number line?

Back

A double number line is a visual representation that shows two sets of numbers along parallel lines, helping to illustrate the relationship between them, often used for ratios and proportions.

Front

How do you find the ratio of two quantities?

Back

To find the ratio of two quantities, divide each quantity by the greatest common factor (GCF) of both quantities, or express them as a fraction.

Front

What is absolute value?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction. It is always a non-negative number.

Front

Evaluate: | -10 | + 5 = ?

Back

15

Front

If the ratio of dogs to cats is 5 to 3 and there are 25 dogs, how many cats are there?

Back

15 cats.

Front

What is the ratio of chocolate chips to flour in a recipe that calls for 2 cups of chocolate chips and 3 cups of flour?

Back

The ratio is 2:3.

Front

How do you solve for a missing value in a ratio?

Back

Set up a proportion using the known values and cross-multiply to find the missing value.

Front

Evaluate: | -56 | - 10 = ?

Back

46

Front

What is the next pair of values on the double number line if Sugar: 12 corresponds to Flour: 8?

Back

Sugar: 8 corresponds to Flour: 12.

Front

How do you express a ratio in simplest form?

Back

Divide both terms of the ratio by their greatest common factor.