Addition +
Subtraction -
More Addition +
100

ADDITION

1048 + 200 =

1248

100

SUBTRACTION

250-150

100

100

MORE ADDITION

37 + 63 = 

100

200

ADDITION

5 + 5 + 5 + 8

23

200

SUBTRACTION

562-100

462

200

MORE ADDITION

155 + 245 = ? 

400

300

ADDITION

50 + 50 + 10

110

300

SUBTRACTION

60 - 10 = 

50

300

MORE ADDITION

98 + 499 = 

597

400

ADDITION

100 + 900 =

1000

400

SUBTRACTION

9 - 15 

-6

400

MORE ADDITION

345 + 134 = 

479

500

ADDITION

865 + 3+ 9876

10744

500

SUBTRACTION

649-2349

1700

500

MORE ADDITION

20 + ___ = 241

221

M
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