Add
subtract
multiply
divide
Patterns
100

246+34

280

100

300-200

100

100

24x3

72

100

27^3

9

100

3,6,9 _what comes next

12    Just add 3

200

359+56

415

200

59-40

19

200

38x4

152

200

36^6

6

200

12,18,24 _What comes next

30  Just add 6

300

739+67

806

300

87-40

47

300

42x4

186

300

72^9

8

300

250,300,350_ what comes next

400 Just add 50

400

1,209+2564

3,773

400

125-50

75

400

69x4

345

400

64^8

8

400

42,48,54_ what comes next?

60 because you x6 each time

500

5,946+10,367

16,313

500

589-69

520

500

87x9

783

500

144^12

12

500

28,42,56_ what comes next?

70 because you add 14

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