Math Warm-up 4: Adding Integers (09/18/20)

How do you identify ZERO PAIRS when adding integers?

• 1 positive and 1 positive that combine to make zero pairs

• 1 negative and 1 negative that combine to make zero pairs

• 1 positive and 1 negative that combine to make zero pairs

• None of the above

What is the integer answer after identifying the zero pairs?

• -3

• 4

• 3

• 7

What is the integer answer after identifying the zero pairs?

• -1

• 2

• 4

• 1

Which addition sentence represents the model?

• (-3) + (-7)

• (-3) + 7

• 3 + 7

• 7 + (-3)

Which addition sentence represents the model?

• 4 + (-2)

• (-4) + 2

• 4 + 2

• (-4) + (-2)

What addition problem is shown in the number line? (Hint: Start at Zero)

• 6 + (-10)

• 0 + 6

• 10 + 6

• -4 + 6

What addition problem is shown in the number line? (Hint: Start at Zero)

• 0 + (-1)

• (-1) + 3

• 3 + (-4)

• (-1) + (-4)

Select all the statements that are true about adding integers:

• To add two integers with same sign; change the sign

• To add two integers with the same sign; keep the sign

• To add two integers with different signs; take the sign of the heavier/large number

• To add two integers with different signs; take the sign of the lighter/smaller number