The Number System Flashcardizz 1

Front

What is the absolute value of a number?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction. For example, the absolute value of -44 is 44.

Front

How do you find the temperature drop?

Back

To find the temperature drop, subtract the lower temperature from the higher temperature. For example, if the temperature dropped from 14°F to -1°F, the drop is 14 - (-1) = 15 degrees.

Front

Order these numbers from greatest to least: 1.42, 3.142, 3.42, 1.423.

Back

3.42, 3.142, 1.423, 1.42.

Front

What does the symbol '<' mean?

Back

The symbol '<' means 'less than'. For example, -3.4 < -2.5 means -3.4 is less than -2.5.

Front

What does the symbol '>' mean?

Back

The symbol '>' means 'greater than'. For example, 5 > 3 means 5 is greater than 3.

Front

What is a number line?

Back

A number line is a straight line with numbers placed at equal intervals along its length, used to represent numbers visually.

Front

What is a negative number?

Back

A negative number is a number less than zero, represented with a minus sign (-). For example, -1, -2.5, and -10 are negative numbers.

Front

What is a positive number?

Back

A positive number is a number greater than zero. For example, 1, 2.5, and 10 are positive numbers.

Front

How do you represent -0.8 on a number line?

Back

On a number line, -0.8 is located to the left of 0, between -1 and 0.

Front

What is the difference between integers and whole numbers?

Back

Integers include all positive and negative whole numbers, as well as zero. Whole numbers include all positive numbers and zero, but not negative numbers.