Adding and Subtracting 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 find the distance between two numbers on a number line?

Back

To find the distance between two numbers, subtract the smaller number from the larger number and take the absolute value of the result.

Front

Calculate the distance between -2.2 and 8.4.

Back

The distance is 10.6.

Front

Back

The result is 1.2.

Front

What is the sum of a positive and a negative rational number?

Back

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

Front

Back

The result is -3.5.

Front

What is the difference between two rational numbers?

Back

The difference is found by subtracting the second number from the first.

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Back

Front

What is the result of multiplying two rational numbers?

Back

The result is found by multiplying the numerators and denominators separately.

Front

What is the product of 5.2 and 6.9?

Back

The product is 35.88.