7.7.2-Understanding of Addition with Negative Numbers

Multiple Choice

Every number and its opposite equals 0.

• True

• False

Multiple Choice

What is the combined value of 1 negative and 1 positive? Why?

• -2, because there's a negative

• 0, because they form a zero pair

• +2, because there's a positive

• 1, because there's a one

Multiple Choice

What is the difference between additive inverse and absolute value?

• Nothing. They are the same thing.

• One is a distance so it's always positive.

• One is more difficult than the other.

Multiple Select

What does absolute value mean? Choose ALL that are correct.

• The number itself

• The number needed to make zero when you add

• A number's distance from zero

• The opposite of a number

Multiple Select

What does additive inverse mean? Choose ALL that are correct.

• The number itself

• The number needed to make zero when you add

• A number's distance from zero

• The opposite of a number

Multiple Choice

What is the additive inverse of -77?

• 77

• -77

Multiple Choice

0 = _______ + 84

• 0

• -84

• 84

Multiple Choice

Evaluate: |-12|

• 12

• -12

• 0

• 1.2

Multiple Select

What expression do the integer chips model?

• -8 + (13)

• 8 + (-8)

• 13 + (-8)

• 13 + 8

Multiple Choice

Which number sentence represents this model?

• 5 + (-8) = 3

• -8 + 5 = -3

• -8 - 5 = -13

• 8 - 5 = 3

Multiple Choice

What would you need to add to this counter to be true?

-7 + _____ = 2

• 5 negative chips

• 9 negative chips

• 11 positive chips

• 9 positive chips

Multiple Choice

What sum does the set of tiles model? Yellow is positive

• (+3) + (+2) = +5

• (+3) + (+2) = -5

• (-3) + (-2) = -5

• (-3) + (-2) = +5

Multiple Choice

What sum does the set of tiles model? Yellow is + and Red is -

• (+1) + (-4) = +3

• (+1) + (-4) = -3

• (-1) + (+4) = -3

• (-1) + (+4) = +3

Multiple Choice

What sum does the set of tiles model?

yellow +

red -

• (-4) + (+3) = -1

• (+4) + (-3) = -1

• (+4) + (-3) = +1

• (-4) + (+3) = +1

Multiple Choice

What sum does the set of tiles model?

yellow +

red -

• (-4) + (-2) = +6

• (+4) + (+2) = -6

• (+4) + (-2) = -6

• (-4) + (-2) = -6

Multiple Choice

What is a zero pair? 

• Two negatives
• Two positives
• One negative, one positive

Multiple Choice

Use the number line . What addition expression does number line represent?

• 2 + (-3)

• 2 + (-5)

• -3 + 2

• 0 + 2 + -3

Multiple Choice

Match the integer addition problem with the graph.

• 4 + (-5) = -1
• -5 + 4 = -1
• 4 + (-5) = 0
• None of these

Multiple Choice

Look at the number line.

• –2 + 4 =  –2
• –2 + (–4) =  –6
• 4 + (–6) =  –2
• 4 + (–2) =  6

Multiple Choice

Match the integer addition problem with the graph.

• 6 + (-2) = 6
• -2 + 6 = 0
• 6 + (-2) = 4
• None of these.

Multiple Choice

-3 + (-2)

• -5
• 5
• 1
• -1

Multiple Choice

-18 + 12

• -6
• 6
• 20
• -30

Multiple Choice

• 7
• 5
• -7
• -5

Multiple Choice

What is a zero pair? 

• Two negatives
• Two positives
• One negative, one positive

Multiple Choice

• 9
• 10
• -9
• -10

Multiple Select

Choose the integer operation problem(s) that this number line represents.

• -9 + (-7) = -2

• -9 + 2 = -7

• -9 + 7 = -2

• -9 - (-7) = -2

• None of these

Multiple Select

Choose the integer operation problem(s) that this number line represents.

• -3 - 5 = -8

• -3 + 5 = -8

• -3 + 8 = 5

• -3 + (-5) = -8

• None of these