Positive and Negative Mixed Number Operations

Which of the following would be needed to multiply mixed numbers?

• simplify

• turn the mixed numbers into an improper fraction

• multiply numerators

• multiply denominators

• add numerators

A positive number times a negative number will give you a negative answer.

• True

• False

A negative number times a negative number will give you a positive number.

• True

• False

A negative number divided by a positive number will give you a negative answer.

• True

• False

When adding or subtracting rational numbers, what must you have?

• Common Numerator

• Quick Answering Skills

• Common Numbers

• Common Denominators

In addition if the signs are different

• add

• subtract

• the sum is always positive

• the sum is always negative

• take sign of number with greater absolute value

In addition if the 1st number is positive and 2nd negative

• The answer is always positive

• The answer is always negative

• add

• subtract

• take sign of number with greater absolute value

In addition if the first number is negative

• Always add

• Always subtract

• Add if both negative

• Subtract if the other number is positive

• Take sign of number with greater absolute value

In a distance problem if 1st positive and 2nd negative

• add

• subtract

• positive

• negative

• keep sign of number with greater absolute value

In multiplication and division the sign is always determine by

• the largest number

• the most negative or positive numbers

• If an odd or even amount of positive numbers

• If an odd or even number of negative numbers