Decimals
1000,100,10,1
Subtracting
Time tables
adding
100

1.23x4

4.92

100

100x45

4500

100

190-45

145

100

10x10

100

100

400+567

967

200

8.93x9

80.37

200

1x7890

7890

200

80-56

24

200

80x34

2720

200

815+714

1529

300

6.7x6

40.2

300

10x890

8900

300

85-134

-49

300

67x4

268

300

345+456

801

400

89.2x5

446

400

1000x34

34000

400

67-45

22

400

440x80

35200

400

450+345

795

500

4.5x4

18

500

1000x78

78000

500

560-7563

-7003

500

20x56

1120

500

456+424

880

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