Lesson Worksheet: Adding Integers Mathematics • 7th Grade

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In this worksheet, we will practice adding positive and negative integers in both abstract and real-world contexts that do not just involve numbers but also units.

Q1:

Evaluate 𝑥+𝑦+𝑧+6 for 𝑥=−5, 𝑦=−6, and 𝑧=−9.

Q2:

Fill in the blank: −8+2=.

Q3:

Elizabeth recorded some temperatures during the day on a number line. At 8:00 am, the temperature was represented by an integer that is the opposite of 7∘F. At 3:00 pm, the temperature was 2∘F. Write an integer that describes the change in temperature.

Q4:

During a five-day cold wave, Daniel recorded the temperature each day at noon. The temperature was −9∘F on Monday, −8∘F on Tuesday, −7∘F on Wednesday, −5∘F on Thursday, and −4∘F on Friday. The temperature at noon on Saturday was 13∘F warmer than the temperature on Thursday. What was the temperature on Saturday?

Q5:

Madison opened a checking account with $380. If she deposited $39, $11, and $65 in her account and then withdrew $76 and $57, determine her current balance.

Q6:

Consider the following figure.

What sum does this diagram represent?

  • A−3+2=−1
  • B3+5=8
  • C−3+(−5)=−8
  • D3+(−5)=−2
  • E−3+5=2

What is the distance between the first addend (−3) and the sum?

  • A∣−2∣
  • B∣−1∣
  • C∣8∣
  • D∣5∣
  • E∣−3∣

Q7:

Consider the following figure.

What sum does this diagram represent?

  • A2+(−4)=−2
  • B2+4=6
  • C−2+(−4)=−6
  • D2+(−6)=−4
  • E−2+4=2

What is the distance between the first addend (2) and the sum?

  • A|−4|
  • B|6|
  • C|−2|

Q8:

Consider the following figure.

What sum does this diagram represent?

  • A4+6=10
  • B−4+6=2
  • C4+(−6)=−2
  • D4+(−2)=2
  • E4+2=6

What is the distance between the first addend (4) and the sum?

  • A|−6|
  • B|−2|
  • C|10|
  • D|4|

Q9:

Consider the following figure.

What sum does this diagram represent?

  • A5+2=7
  • B−5+2=−3
  • C5+(−7)=−2
  • D−5+(−2)=−7
  • E5+(−2)=3

What is the distance between the first addend (5) and the sum?

  • A|−7|
  • B|−2|
  • C|−3|
  • D|5|

Q10:

Consider the following figure.

What sum does this diagram represent?

  • A6+(−3)=3
  • B−6+(−3)=−9
  • C−6+9=3
  • D−6+3=−3
  • E6+3=9

What is the distance between the first addend (−6) and the sum?

  • A|−6|
  • B|9|
  • C|3|

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