Rational Number Operations

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

What is the sum of -3 ¼ and ½?

Back

-2 ¾

Front

How do you add two negative fractions?

Back

To add two negative fractions, add their absolute values and keep the negative sign. For example, -½ + -½ = -1.

Front

What is the simplified value of -2.6 + 5.8?

Back

3.2

Front

What happens when you add a positive number to a negative number?

Back

The result depends on the absolute values of the numbers. If the positive number is larger, the result is positive; if the negative number is larger, the result is negative.

Front

What is the result of -275.78 + 539.20?

Back

$263.42

Front

How do you find the change in temperature?

Back

To find the change in temperature, subtract the initial temperature from the final temperature. For example, 27 - (-8) = 35.

Front

What is the sum of two positive rational numbers?

Back

The sum of two positive rational numbers is always positive.

Front

What is the result of -½ + -½?

Back

-1

Front

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

Back

Subtracting a negative number is the same as adding its absolute value. For example, 5 - (-3) = 5 + 3 = 8.