Rational Numbers

Front

What are rational numbers?

Back

Rational numbers are numbers that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

What is the symbol for equality?

Back

The symbol for equality is '='.

Front

What is the value of zero on a number line?

Back

Zero is the point on a number line that represents sea level, separating positive and negative numbers.

Front

How do you convert a fraction to a decimal?

Back

To convert a fraction to a decimal, divide the numerator by the denominator.

Front

What is 4/100 as a decimal?

Back

.04

Front

How do you express a mixed number as an improper fraction?

Back

To express a mixed number as an improper fraction, multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

What is 1.2 as a fraction?

Back

1.2 can be expressed as 1 1/5.

Front

What is the opposite of a number?

Back

The opposite of a number is the number with the same absolute value but a different sign.

Front

What is the opposite of 1/4?

Back

The opposite of 1/4 is -1/4.

Front

How do you add two rational numbers?

Back

To add two rational numbers, find a common denominator, convert the fractions if necessary, and then add the numerators.