Multiplying a Positive and a Negative

The video tutorial explains how to multiply numbers with different signs, emphasizing that the result is always negative when multiplying a positive and a negative number. It uses a conceptual analogy to illustrate why negatives overpower positives and provides a practical shortcut for solving such problems by ignoring the signs initially and then applying a negative sign to the result.

What is the result when you multiply a positive number by a negative number?

• The result is always negative.

• The result is zero.

• The result is always positive.

• The result depends on the numbers.

What is the shortcut for multiplying numbers with different signs?

• Multiply the numbers as positive and then make the result negative.

• Multiply the numbers and ignore the signs.

• Add the numbers and make the result negative.

• Subtract the smaller number from the larger one.

If you multiply 4 by -7, what is the result?

• -11

• 11

• -28

• 28

Which of the following is true about multiplying numbers with opposite signs?

• The result is always the same as the larger number.

• The result is always zero.

• The result is always negative.

• The result is always positive.

What happens when you multiply -8 by 2?

• The result is 10.

• The result is -16.

• The result is 16.

• The result is -10.