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Addition 3x3
Addition 4X4
Subtraction 2x2
Subtraction 3x2
Subtraction 3X3
100

143 +124= ?

267

100

1,350 + 1,578 = ?

2,928

100

38-19=?

19

100

136-17=?

119

100

197-129=?

68

200

257 + 185 = ?

442

200

2,351 + 1,879 = ?

4,230

200

43-27=?

16

200

267-99=?

168

200

264-236=?

28

300

370 +389 =?

759

300

3,892 + 2,799 = ?

6,691

300

51-27=?

24

300

461-75=? 

386

300

302-199=?

103

400

486 + 487 = ?

973

400

5,673 + 3,189 = ?

8,862

400

63-46=?

17

400

674-97=?

577

400

784-596=?

188

500

508 + 594 =

1,102

500

5,529 + 5,638 = ?

11,167

500

84-38=?

46

500

802-35=?

767

500

894-797=?

97