Chapter 2 Operations of Rational Numbers

Front

What is the result of adding a negative number to another negative number?

Back

A negative answer because you move further to the left on the number line.

Front

What must you do first when multiplying or dividing mixed numbers?

Back

Turn them to improper fractions!

Front

What should you always do when solving problems with rational numbers?

Back

Attach the correct sign to your answer!

Front

How do you multiply fractions?

Back

Multiply across the top, multiply across the bottom.

Front

What types of numbers are included in rational numbers?

Back

All of the above: Integers, Fractions, Decimals.

Front

What is a rational number?

Back

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

Front

What is the sum of -3 and -5?

Back

-8.

Front

What is the product of -2 and 4?

Back

-8.

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place over the original denominator.

Front

What is the difference between a proper fraction and an improper fraction?

Back

A proper fraction has a numerator smaller than the denominator, while an improper fraction has a numerator larger than or equal to the denominator.