Show:
Pattern Up
Pattern Down
Add 10
Subtract 10
100

10, 20, 30, __

40

100

40, 30, 20, __

10

100

10 + 10 =

20

100

10 - 10 =

0

200

50, 60, 70, __

80

200

80, 70, 60, __

50

200

30 + 10 =

40

200

30 - 10 =

20

300

90, 100, 110, __

120

300

120, 110, 100, __

90

300

55 + 10 =

65

300

45 -10 =

35

400

130, 140, 150, __

160

400

160, 150, 140, __

130

400

85 + 10 =

95

400

75 - 10 =

65

500

170, 180, 190, __

200

500

200, 190, 180, __

170

500

103 + 10 =

113

500

93 - 10 =

83