Unit 3: The Number System

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, |-12| = 12.

Front

What does the symbol '>' represent?

Back

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

Front

What does the symbol '<' represent?

Back

The symbol '<' means 'less than'. For example, 2 < 4 means 2 is less than 4.

Front

How do you represent a withdrawal in terms of integers?

Back

A withdrawal is represented as a negative number. For example, a withdrawal of $15 is represented as -$15.

Front

What is the result of -6 > -33?

Back

True, -6 is greater than -33.

Front

What is the result of |-12|?

Back

The result is 12.

Front

What is the meaning of descending in terms of numbers?

Back

Descending means going down, which is represented by negative numbers. For example, descending 20 meters is -20 meters.

Front

What is the relationship between positive and negative numbers on a number line?

Back

Positive numbers are to the right of zero, and negative numbers are to the left of zero.

Front

What is the sum of -5 and 3?

Back

The sum is -2.

Front

What is the difference between -10 and -4?

Back

The difference is -6.