2-digit subtraction
w/o regrouping
2-digit subtraction w/regrouping
3-digit addition w/regrouping
3-digit addition w/o regrouping
Expanded Form
200

68-37

31

200

62-29

33

200

529+366

895

200

418+351

769

200

400+50+6

 456

300

77-52

25

300

90-76

14

300

813+387

1,200

300

436+243

679

300

827

800+20+7

400

36-16

20

400

65-37

28

400

136+724

860

400

820+369

1,189

400

500+90+3

593

500

94-22

72

500

42-19

23

500

352+469

821

500

520+369

889

500

867

800+60+7

600

59-42

17

600

67-59

8

600

947+176

1.123

600

427+352

779

600

608

600+0+8