Multiply Negative and Positive Decimal Numbers

When MULTIPLYING DECIMALS count the decimal places in each factor and ...

• Move that total amount of decimal places in your answer.

• Subtract.

• Find the square root.

• BE HAPPY!

When multiplying two numbers with different signs, the answer will be ________.
(example: N x P or P x N)

• negative

• the sign of the bigger value

• positive

• the sign of the higher number

Solve. Hint: Change the fraction to a decimal first.

Rules for multiplying:

Negative x Negative = Positive

Negative x Positive = Negative

When you multiply a negative times a positive you get a...

• Positive

• Negative

• Zero

• Double Negative

(-5) x (+2) =

• -10

• 7

• -7

• 10

I can multiply and divide positive and negative decimals.

When you multiply or divide and signs are different, you get a...

• Positive

• Negative

I can multiply and divide positive and negative decimals.

When you multiply a negative times a positive the answer will be

• positive

• negative

• zero

• can not determine with information provided

(-11.3) × (-2.5)

• 79.1

• 13.8

• 22.597

• 28.25