Navigating Positive and Negative Number Operations

This video tutorial from Moomoomath and Science explains the rules for handling positive and negative numbers in mathematical operations such as addition, subtraction, multiplication, and division. It provides examples to illustrate how to determine the sign of the result based on the number of negative numbers involved. The video concludes with a summary of the rules and encourages viewers to subscribe for more educational content.

What is the result of adding 2 and -1?

• 1

• -1

• -3

• 3

When adding -3 and 5, what is the result?

• -2

• 8

• 2

• -8

How do you handle 2 minus -1?

• Ignore the negative sign

• Subtract directly

• Add the numbers as they are

• Change to addition and flip the sign of -1

What is the result of -3 minus 5?

• -8

• 2

• -2

• 8

What is the rule for the sign of the product when multiplying an odd number of negative numbers?

• Positive

• Negative

• Zero

• Undefined

What is the result of multiplying -1, -2, and 3?

• 6

• -6

• 12

• -12

What is the result of dividing -2 by 1?

• -1

• -2

• 2

• 0

What is the result of dividing -10 by -2 and then by 1?

• 10

• -5

• -10

• 5

What is the result of dividing -10 by 2 and then by 1?

• -5

• 5

• 10

• -10

What is the rule for the sign of the quotient when dividing an even number of negative numbers?

• Positive

• Negative

• Zero

• Undefined