add
subtract
multiply decimals
multi digit numbers
challenge question
100

500+600

1100

100

70-20

50

100

7.9x4.0

31.6

100
54-23

31

200

1780+220

2000

200

200-80

120

200

15.0x2.4

34.5

200

750-540

210

300

2040+830

2870

300

6438-864

5574

300

4.07x5.3

21.571

300

892+411

1303

400

3405+9850

13255

400

5430-3540

1890

400

6.46x4.0

25.84

400

22x5

110

500

9585+6538


16123

500

17432-7875

9557

500

7.07x3.5

24.745

500

2825x3

8475

500

7625+40-13x2

7639

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