Number Systems

Front

What is a number system?

Back

A number system is a writing system for expressing numbers; it is a mathematical notation for representing numbers of a given set, such as natural numbers, integers, rational numbers, and real numbers.

Front

Can you add two positive integers and get a negative integer?

Back

No, adding two positive integers will always result in a positive integer.

Front

What is the result of 60,000 + 30,000 - 50,000?

Back

The result is 40,000 screws.

Front

Can you subtract a positive integer from a positive integer and get a negative result?

Back

Yes, if the positive integer being subtracted is greater than the positive integer from which it is being subtracted.

Front

How do you find the difference of two numbers on a number line?

Back

To find the difference, start at the first number and move to the right if subtracting a negative number or to the left if subtracting a positive number.

Front

What is the definition of a positive integer?

Back

A positive integer is a whole number greater than zero.

Front

What is the definition of a negative integer?

Back

A negative integer is a whole number less than zero.

Front

What is the sum of two negative integers?

Back

The sum of two negative integers is always a negative integer.

Front

What happens when you add a positive integer and a negative integer?

Back

The result can be positive, negative, or zero, depending on the absolute values of the integers.

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; it is always a non-negative value.