Operations with Rational Numbers-STAAR REVIEW

Front

What is a rational number?

Back

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

Front

How do you add a positive and a negative integer?

Back

When adding a positive and a negative integer, the result depends on which integer has a greater absolute value.

Front

What is the result of adding -5 and 3?

Back

-5 + 3 = -2.

Front

What is the result of adding -7 and -2?

Back

-7 + (-2) = -9.

Front

What is the result of adding 4 and -10?

Back

4 + (-10) = -6.

Front

How do you subtract rational numbers?

Back

To subtract rational numbers, add the opposite of the number being subtracted.

Front

What is the result of subtracting -3 from 5?

Back

5 - (-3) = 5 + 3 = 8.

Front

What is the result of subtracting 4 from -2?

Back

-2 - 4 = -6.

Front

What is the result of multiplying two negative integers?

Back

The product of two negative integers is a positive integer.

Front

What is the result of multiplying -3 and 4?

Back

-3 * 4 = -12.