Multiply and Divide

Operations with Signed Numbers

Multiplication and Division. Multiply or Divide.
If the numbers have the same sign the answer is POSITIVE.
If the numbers have different signs the answer is NEGATIVE.
MultSig

Rules for Multiplying Integers

The product of two integers with the same sign is found by multiplying their absolute values. The product is positive.

The product of two integers with different signs is found by multiplying their absolute values. The product is negative.

The product of 0 and any integer is 0.

DivSig

Multiplying Whole Numbers 1

Multiplying Whole Numbers 2

Multiplying Whole Numbers 3

Multiplying Whole Numbers 4

Multiplying Whole Numbers by Estimating

 

IN07       Multiply

IN08       Multiply2

IN13       Signed_Multiply and Divide

 

When multiplying and dividing integers, every two negative signs cancel each other out.

If you have an even number of negative signs, your answer is positive.

If you have an odd number of negative signs, your answer is negative.

IN10       Basic_Operations

IN11       Basic_Operations