Operations with Rational Numbers

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Front

How do you add two rational numbers with different signs?

Back

When adding two rational numbers with different signs, subtract the smaller absolute value from the larger absolute value and keep the sign of the number with the larger absolute value.

Front

What is the decimal equivalent of 1/2?

Back

0.5

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 the result of -2 + 4?

Back

2

Front

How do you subtract a negative number from a negative number?

Back

Subtracting a negative number is the same as adding its absolute value.

Front

What is the decimal equivalent of 1/8?

Back

0.125

Front

How do you find the change in temperature?

Back

To find the change in temperature, subtract the initial temperature from the final temperature.

Front

What is the result of -8 - (-4)?

Back

-4

Front

How do you convert 1/4 to a decimal?

Back

1/4 is equal to 0.25.