3 Digit Addition
2 Digit Addition
Subtraction
Balancing Equations
Subtraction Across Zero
100

235 + 242 =

477

100

12 + 31 + 54 =

97

100

487 - 155 =

332

100

2 + __ = 9

7

100

100 - 45 =

55

200

527 + 362 =

889

200

32 + 64 + 65 = 

161

200

793 - 642 = 

151

200

8 - __ = 3

5

200

105 - 26 =

79

300

 436 + 147 =

583

300

42+36 + 62 + 24 =

164

300

170 - 43 =

127
300

11 = 15 - __

4

300

405 - 119 =

276

400

 256 + 361 =

617

400

63+45 + 82 + 37 =

227

400

646 - 376 = 

270

400

3 + __ = 19

16

400

503 - 227 =

276

500

 458 + 347 =

805

500

31+95 + 63 + 91 =

280

500

465 - 277 = 

188

500

__ - 5 = 15

20

500

805 - 597 =

208

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