+/- 10
140+10
150
What is the value of the 9?
809
9
74+14
88
82-11
71
326 [] 145
326>145
509+10
519
What is the value of the 3?
932
30
67+32
99
94-54
40
523 [] 623
523<623
649-10
639
What is the value of the 2?
920
20
47+22
69
65-30
108 [] 88
108>88
832-10
822
What is the value of the 3?
386
300
51+27
78
76-43
33
490 [] 409
490>409
601-10
591
What is the value of the 6?
465
60
29+50
79
47-32
15
219 [] 218
219>218