Flashcard #2-4: Integers

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator (top number) by the denominator (bottom number). For example, 5/8 = 5 ÷ 8 = 0.625.

Front

What is the decimal equivalent of 60%?

Back

The decimal equivalent of 60% is 0.60.

Front

How do you compare two decimals?

Back

To compare two decimals, align them by the decimal point and compare digit by digit from left to right.

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 order negative numbers?

Back

When ordering negative numbers, the number with the greater absolute value is considered smaller. For example, -3 is less than -2.

Front

What is the relationship between -0.125 and -0.1250?

Back

-0.125 and -0.1250 are equal; they represent the same value.

Front

How do you convert a percentage to a fraction?

Back

To convert a percentage to a fraction, divide the percentage by 100 and simplify if possible. For example, 60% = 60/100 = 3/5.

Front

What is the greatest integer less than or equal to a number?

Back

The greatest integer less than or equal to a number is called the floor of that number. For example, the floor of 2.7 is 2.

Front

What is the least integer greater than or equal to a number?

Back

The least integer greater than or equal to a number is called the ceiling of that number. For example, the ceiling of 2.3 is 3.