Adding and Subtracting Integers

This video tutorial covers the addition of positive and negative numbers, focusing on opposites, same sign addition, and different sign addition. It explains that adding opposites results in zero, while adding numbers with the same sign involves summing their magnitudes. For numbers with different signs, the magnitudes are subtracted, and the result takes the sign of the larger magnitude. Key concepts include opposites, zero sum, and additive inverses.

What is the opposite of -7?

• 0

• -7

• -14

• 7

What is the result of adding a number to its opposite?

• The number itself

• Negative of the number

• Zero

• Double the number

If you add two positive numbers, what will be the sign of the result?

• Negative

• Depends on the numbers

• Zero

• Positive

What is the result of adding -3 and -5?

• -2

• -8

• 2

• 8

When adding numbers with different signs, what operation do you perform on their magnitudes?

• Subtract

• Multiply

• Divide

• Add

What is the result of adding -6 and 9?

• 15

• 3

• -3

• -15

If you add -4 and 10, what will be the sign of the result?

• Negative

• Positive

• Cannot be determined

• Zero

What is the term used for numbers that add up to zero?

• Opposites

• Identities

• Multiplicative inverses

• Additive inverses

What should you do when adding two numbers with the same sign?

• Divide their magnitudes

• Subtract their magnitudes

• Add their magnitudes

• Multiply their magnitudes

What is the result of adding 5 and -5?

• -10

• 0

• 10

• 5