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Addition/subtraction
3 x
4 x
5 x
100

2 x __ = 6

3

100

10 - 5 

5

100

3 x 3 = 

9

100

4 x 2 = 

8 

100

5 x 3 = 

15 

200

4 x __ = 8

2

200

8 + 5

13

200

3 x 4 = 

12

200

4 x 3 = 

12

200

5 x 4 =

20

300

5 x __ = 15

3

300

7 + 3

10

300

3 x 6 =

18

300

4 x 4 = 

16

300

5 x 5 = 

25

400

4 x __ = 16

4

400

 12

-  6

6

400

3 x 7 = 

21

400

4 x 6 = 

24

400

5 x 7 = 

35

500

5 x __ = 50

10

500

   15

+  8

23

500

3 x 9 =

27

500

4 x 7 = 

28

500

5 x 9 =

45