Adding and Subtracting Rational Numbers

Front

What is a rational number?

Back

A rational number is any number that can be expressed as a fraction, where both the numerator and the denominator are integers.

Front

How do you order rational numbers from least to greatest?

Back

To order rational numbers, compare their values. The number with the smallest value comes first.

Front

What is the equivalent addition expression for -5 - 3?

Back

-5 + -3

Front

What is the result of -32 - (-8)?

Back

-24

Front

If the temperature is -15°C and it decreases by 12°C, what is the new temperature?

Back

-27°C

Front

What is the difference between -15 and -22?

Back

7 (because -15 is less than -22, you subtract the smaller from the larger)

Front

How do you add two negative rational numbers?

Back

When adding two negative rational numbers, you add their absolute values and keep the negative sign.

Front

What does it mean to subtract a negative number?

Back

Subtracting a negative number is the same as adding its positive counterpart.

Front

What is the result of -1.5 + -1.1?

Back

-2.6

Front

How do you find the absolute value of a rational number?

Back

The absolute value of a rational number is its distance from zero on the number line, regardless of direction.