Mixed Integer Operations

Front

What is the result of adding a positive number to a negative number?

Back

The result depends on the absolute values of the numbers. If the positive number is larger, the result is positive; if the negative number is larger, the result is negative.

Front

How do you subtract a negative number from a positive number?

Back

Subtracting a negative number is equivalent to adding its absolute value. For example, 44 - (-31) is the same as 44 + 31.

Front

What is the result of subtracting a positive number from a negative number?

Back

The result is always negative. For example, -49 - 32 equals -81.

Front

What is the sum of two negative numbers?

Back

The sum of two negative numbers is always negative. For example, -39 + -47 equals -86.

Front

How do you multiply two negative numbers?

Back

The product of two negative numbers is positive. For example, -4 * -10 equals 40.

Front

What is the result of multiplying a negative number by a positive number?

Back

The product of a negative number and a positive number is negative. For example, -4 * 10 equals -40.

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, |-5| = 5.

Front

What is the order of operations in mathematics?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.

Front

How do you simplify the expression -4(-10)?

Back

To simplify, multiply the two numbers. Since both are negative, the result is positive: -4 * -10 = 40.

Front

What is the difference between a positive integer and a negative integer?

Back

A positive integer is greater than zero, while a negative integer is less than zero.