Understanding Signed Numbers

This video tutorial reviews signed numbers, including their placement on the number line, and explains absolute value as the distance from zero. It covers operations with signed numbers, such as addition, subtraction, multiplication, and division, and provides examples using a number line and money analogy. The tutorial also discusses multiplying and dividing signed numbers, evaluating exponents, and simplifying expressions using the order of operations.

Where are positive real numbers located on the number line?

• To the left of zero

• Above zero

• To the right of zero

• At zero

What is the absolute value of -3?

• -3

• 3

• 6

• 0

How is the absolute value of a number represented?

• Using square brackets

• Using parentheses

• Using curly braces

• Using vertical bars

What is the result of adding a negative number?

• Adding a positive number

• Dividing by a positive number

• Subtracting a positive number

• Multiplying by a positive number

If you lose $3 and then gain $2, what is your net result?

• $1 gain

• $1 loss

• $5 gain

• $5 loss

What is the result of multiplying two negative numbers?

• A positive number

• A negative number

• An undefined number

• Zero

What is the product of 3 and -4?

• -12

• 12

• 7

• -7

What does negative five squared mean?

• Five times five

• Negative five times five

• Negative five times negative five

• Five times negative five

What is the result of negative 2 cubed?

• 6

• -6

• 8

• -8

What is the final result of simplifying the expression: 1 - (-3) - 25?

• 27

• -21

• 21

• -27