CFA Review - Integers

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but not a fraction or decimal.

Front

What is the absolute value of -7?

Back

The absolute value of -7 is 7.

Front

How do you add two negative integers? Give an example.

Back

When you add two negative integers, you add their absolute values and keep the negative sign. Example: -2 + -4 = -6.

Front

What is the result of 2 + -4?

Back

The result of 2 + -4 is -2.

Front

What is the order of operations?

Back

The order of operations is a set of rules for evaluating expressions: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). Often remembered as PEMDAS.

Front

What is a perfect square?

Back

A perfect square is a number that can be expressed as the product of an integer with itself. Examples: 0, 1, 4, 9, 16.

Front

What is the next perfect square after 16?

Back

The next perfect square after 16 is 25 (which is 5 squared).

Front

How do you find the depth of a diver who is below sea level?

Back

To find the depth, you can add the distance below sea level to the surface level (0). Example: -12 + 5 = -7.

Front

Order the following integers from least to greatest: -5, -17, 3, 0.

Back

The order from least to greatest is: -17, -5, 0, 3.

Front

What is the distance from zero on a number line called?

Back

The distance from zero on a number line is called the absolute value.