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2 Digit Addition
Subtraction
Balancing Equations
Subtraction Across Zero
100

458 + 347 =

805

100

12 + 31 + 54 =

97

100

487 - 155 =

332

100

8 + __ = 15

7

100

100 - 45 =

55

200

603- 271=

332

200

32 + 64 + 65 = 

161

200

793 - 642 = 

151

200

8 - __ = 3

5

200

105 - 26 =

79

300

53+28+84+47=

262

300

42+36 + 62 + 24 =

164

300

170 - 43 =

127
300

11 = 15 - __

4

300

405 - 119 =

286

400

14 - __ = 11

3

400

63+45 + 82 + 37 =

227

400

646 - 376 =

270

400

3 + __ = 19

16

400

503 - 227 =

276

500

805-287=

518

500

31+95 + 63 + 91 =

280

500

465 - 277 = 

188

500

__ - 5 = 15

20

500

805 - 597 =

208