Addition
Subtraction
Missing Addends
Balancing equations
100

123+156=

279

100

855-300=

555

100

9 - _ = 3

6

100

9 + 3 = 10 + _

2

200

345+90=

435

200

739-516=

223

200

18 + _ = 47

29

200

19 - 7 = 15 - _

3

300

568+124=

692

300

853-229=

624

300

37 + _ = 100

63

300

25 + _ = 30 + 30

35

400

378+255=

633

400

900-540=

360

400

360 + _ =400

40

400

35 - _ = 65 - 50

20

500

529+693=

1,222

500

600-207=

393

500

698 + __ = 945

247

500

35 + 75 = _ + 25

85

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