Show:
Addition
Subtraction
><=
Expanded Form
What Comes Next?
100

22+20

44

100

12-10

2

100

45 ___ 54

<

100

100+10+1

111

100

5, 10, 15, 20

25

200

100+17

117

200

25-10

15

200

9 tens___90

=

200

500+80+4

584

200

20, 30, 40, 50

60

300

25+40

65

300

50-25

25

300

75___73

>

300

4+60+200

264

300

25, 50, 75, 

100

400

10+20+4

34

400

88-56

32

400

1 hundred___200

<

400

90+300+7

397

400

135, 140, 145, 

150

500

65+24

89

500

100-80

20

500

800___80

>

500
400+4

404

500

900, 800, 700, 600, 

500