Integer Operations

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero. Examples include -3, 0, and 5.

Front

What does it mean to subtract a negative number?

Back

Subtracting a negative number is the same as adding its positive counterpart. For example, 5 - (-3) = 5 + 3 = 8.

Front

What is the result of 5 - (-12)?

Back

17

Front

What is the result of -2 + -9?

Back

-11

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 remembered as PEMDAS.

Front

What is the result of 5 - 6² ÷ 4 - 3?

Back

-7

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by performing the operations in the correct order.

Front

What is the result of -28 - (-36)?

Back

8

Front

What is the result of 18 - (-4)?

Back

22

Front

What is the difference between positive and negative integers?

Back

Positive integers are greater than zero, while negative integers are less than zero. Zero is neither positive nor negative.