Understanding Integer Addition and Properties

What is the result when a number is added to its additive inverse?

• The number itself

• Negative of the number

• Zero

• One

When adding two integers with the same sign, what should you do?

• Use the sign of the larger number

• Add their absolute values and use the common sign

• Subtract their absolute values

• Ignore the signs

How do you determine the sign of the sum when adding integers with different signs?

• Use the sign of the number with the greater absolute value

• Use the sign of the larger number

• Always use a positive sign

• Use the sign of the smaller number

What is the sum of 29 and its additive inverse?

• 58

• -29

• 0

• 29

Which property states that the sum of zero and any number is the number itself?

• Inverse Property

• Commutative Property

• Associative Property

• Identity Property

How can the associative property of addition help in mental math?

• By using only positive numbers

• By grouping numbers differently

• By ignoring the signs

• By changing the order of numbers

If the temperature is -2°F in the morning and increases by 10°F, what is the afternoon temperature?

• 12°F

• 8°F

• -8°F

• 0°F

Sophia spent $8 on supplies and sold a bracelet for $20. What is her profit?

• $28

• $12

• $20

• $8

What should you do when adding integers with different signs?

• Always use a negative sign

• Add their absolute values

• Subtract their absolute values and use the sign of the larger absolute value

• Ignore the signs

What is the result of adding a positive number and its negative counterpart?

• The positive number

• Zero

• Their absolute difference

• The negative number