1. Subtracting Integer Review

2. Bell Ringer
c b 0 a
a has twice the absolute value of b
b is half way between c and 0
c = l -5 l + (-15)
a = ? b = ? c = ?

3. Bell Ringer
c b 0 a
a has twice the absolute value of b
b is half way between c and 0
c = l -5 l + (-15)
a = 10 b = -5 c = 10

4. Where we were…
O Adding Integers Review
O Number line
O Context
O Rules
O Same signs =
O Opposite signs =
O Subtraction
O Number Line
O Rules
O Additive Inverse

5. Where we are…
O Students will learn to…
O Review subtracting integers.

6. Where we are going…
O Adding and subtracting integers quiz on
Friday.

7. Homework
O Check your homework
O Grade yourself on your understanding
O B
O C
O D
O I

8. Subtracting Integers Review
O Power Write
O Is p – q = p + (-q)?

9. -10 - 10
O Write an addition expression
O Solve

10. -10 - 10
O Write an addition expression
O - 10 + (-10)
O Solve
O -20

11. -12 - 5
O Write as an addition expression
O Solve

12. -12 - 5
O Write as an addition expression
O -12 + (-5)
O Solve
O -17

13. - 30 - 5
O Write an addition expression
O Solve

14. - 30 - 5
O Write an addition expression
O - 30 + (-5)
O Solve
O -35

15. 4 - 20
O Write an addition expression
O Solve

16. 4 - 20
O Write an addition expression
O 4 + (-20)
O Solve
O -16

17. -10 – (-5)
O Write an addition expression
O Solve

18. -10 – (-5)
O Write an addition expression
O -10 + 5
O Solve
O -5

19. 5 – (-8)
O Write an addition expression
O Solve

20. 5 – (-8)
O Write an addition expression
O 5 + 8
O Solve
O 13

21. -5 – (-20)
O Write an addition expression
O Solve

22. -5 – (-20)
O Write an addition expression
O -5 + 20
O Solve
O 15

23. Mary borrowed $15 from her friend, and
then another $12 from her brother.
Write a subtraction expression that
represent this scenario?
-15 - 12
How much does Mary owe? Write it as
an integer.
-27

24. O LeSean McCoy of the Philadelphia Eagles
gained 184 yards rushing in the first game
of the season. On the first drive, he gained 8
yards, lost 3 and then lost 3 more.
O Write an addition or subtraction problem to
show the scenario of the first drive.
O How many yards did he gain the rest of the
game to reach his total of 184?

25. O LeSean McCoy of the Philadelphia Eagles
gained 184 yards rushing in the first game
of the season. On the first drive, he gained 8
yards, lost 3 and then lost 3 more.
O Write an addition or subtraction problem to
show the scenario of the first drive.
O 8 – 3 – 3 or 8 + (-3) + (-3)
O How many yards did he gain the rest of the
game to reach his total of 184?
O 182 yards

26. Temperature
O The hottest temperature ever recorded in
the U.S. was 134°F, measured at Death
Valley, California. The coldest temperature,
-80°F was recorded at Prospect Creek,
Alaska. What is the difference between
these temperatures?

27. Temperature
O The hottest temperature ever recorded in
the U.S. was 134°F, measured at Death
Valley, California. The coldest temperature,
-80°F was recorded at Prospect Creek,
Alaska. What is the difference between
these temperatures?
O 134 – (-80) =
O 134 + 80 = 214

28. Homework
O Due on Thursday.