Bell Ringer #1. (a) 2 – 3 x 0 #3. (a) |12| + |-3| (b) 5 + 2 x 3 + 4 (b) |-15| - |6| #2. (a) |1| #4. Replace the __ with <, (b) |-1| >, or = to make a true statement. (a) -7 __ -7 (b) -1 __ -2 Take Roll. Pass out Bell Ringer 1, Homework 1, and Classwork 2.1. Go over Bell Ringer

Class work Check Write an integer for each situation. Then graph on a number line. #16. 5 strokes above par #17. 200 feet below sea level #18. an elevator descends 18 floors #19. no gain on fourth down Explain grading process. Go over the importance of READING and FOLLOWING directions. Follow along and make corrections.

Class work Check Write two inequalities using the number pairs. Use the symbols < or >. #20. 5 and -11 #21. -8 and 14 #22. -6 and -1 #23. -12 and -11 Explain how they SHOULD have shown their work on these problems

Class Work Check Write two inequalities using the number pairs. Use the symbols < or >. #24. 0 and -4 #25. 4 and 0 #26. |55| and |50| #27. |-27| and |-30| Explain how to show work for #26 and #27

Class Work Check Replace each •with <, >, or = to make a true sentence. #28. -11 • -9 #29. -14 • -14 #30. 15 • -6 #31. -2 • 16

Class Work Check Replace each • with <, >, or = to make a true sentence. #32. 21 • 0 #33. 0 • -35 #34. |13| • |-13| #35. |-27| • |-27|

Class Work Check Order the integers in each set from greatest to least. #58. {4, -2, -10, 3} #59. {-13, 5, 0, -5} #60. {7, -26, -15, 32, -19} #61. {-28, 62, -35, 20, -59}

Class Work Check Order the integers in each set from greatest to least. #62. {-42, 1, -6, 74, 0, -11} #63. {88, -72, -83, 232, -165, -94}

Class Work Check Evaluate each expression. #38. |8| #39. |-17| #40. |-21| #41. -|15|

Class Work Check Evaluate each expression. #42. |0| + -|4| #42. |0| + -|4| #43. -|-7| + |12| #44. |12| - |-2| #45. |-32| - |-6| #46. |18-4| - |9-4|

Class Work Check Evaluate each expression if x=-3, y=4, and z=2. #48. 2y - |x| #49. |z| + 19 #50. 3y + 3z + |x|

Class Work Check Evaluate each expression if x=-3, y=4, and z=2. #51. |4yz| - 3|x| #52. 2(z+y) - |x|

2.2 Adding Integers Pass out notes.

Preview 2.2 Adding Integers

Example 1

Key Concept

Example 2

Example 3

Key Concept

Example 4

Example 5

Vocabulary Opposites: Two numbers with the same absolute value but different signs Additive Inverses: An integer and its opposite

Key Concept

Example 6

PRACTICE

HOMEWORK 2.2 pg. 72-73 #19-24, 27-32

Homework 2.2 pg. 72-73 #19-24, 27-32

HOMeWork 2.2 pg. 72-73 #19-24, 27-32

Classwork