Rational Numbers

Front

What are rational numbers?

Back

A rational number is any number that can be written in the form where a and b are integers, and b ≠ 0.

Front

Can a rational number be negative?

Back

Yes, a rational number can be negative. It can be expressed as a fraction where either the numerator or the denominator is negative, but not both.

Front

Bar Notation

Back

In bar notation, a bar is drawn only over the digit(s) that repeats.

Front

What is a repeating decimal?

Back

A repeating decimal is a decimal number that has digits that repeat forever. It can be represented using bar notation.

Front

Terminating Decimals

Back

A decimal with a repeating digit of 0 is called a terminating decimal.

or a decimal that stops

Front

How do you convert a repeating decimal to a fraction?

Back

To convert a repeating decimal to a fraction, set the repeating decimal equal to a variable, multiply by a power of 10 to move the decimal point, and solve the resulting equation to find the fraction.

Front

What is a non-repeating decimal?

Back

A non-repeating decimal is a decimal number that does not have any repeating digits. It can be a terminating decimal or an infinite decimal without a repeating pattern.

Front

How do you identify a repeating decimal?

Back

A repeating decimal can be identified by a sequence of digits that repeat indefinitely. It is often represented with a bar over the repeating digits.

Front

Integers

Back

All whole numbers and their opposites and 0

-3,-2,-1 ,0, 1, 2, 3

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator using long division or a calculator.