SM Lesson 1.3: Subtraction as an Inverse Operation

3 - 2 = (a)  

• 3 + (-2)
• 3 + 2

93 + (-8) = (a)  

• 93 - 8
• 93 + 8

75 - 47 = (a)  

• 75 + (-47)
• 75 + 47

94 + (-87) = (a)  

• 94 - 87
• 94 + 87

9 + (-19) = (a)  

• 9 - 19
• 9 + 19

6 - 7 = (a)  

• 6 + 7
• 6 + (-7)

79 + (-2) = (a)  

• 79 + 2
• 79 - 2

24 - 72 = (a)  

• 24 + 72
• 24 + (-72)

73 + (-27) = __________

• 73 + 27
• 73 - 27

3 + (-82) = __________

• 3 + 82
• 3 - 82