7th Unit 5 Section A Checkpoint

Question 1

Multiple choice

8+ (-11) =

  • -3

  • 3

  • 19

  • -19

Question 2

Multiple choice

-1 + 10 =

  • 9

  • -9

  • 11

  • -11

Question 3

Multiple choice

12 - (-6)=

  • 18

  • -18

  • 6

  • -6

Question 4

Multiple choice

-4.5 - 2.3

  • -6.8

  • 6.8

  • 2.2

  • -2.2

Question 5

Multiple choice

-7/9 + 2/9 =

  • -1

  • 1

  • -5/9

  • 5/9

Question 6

Short answer

A librarian keeps track of how many books are checked in or out of the library during the day.

  • 3 books checked out
  • 6 books checked in
  • 2 books checked in
  • 5 books checked out
  • 1 book checked in
  • 4 books checked out

How could the librarian use signed numbers to represent this information?

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