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Multiply by 10
Multiply by 5
Multiply by 100
Multiply by 2
Multiply by 3
100

3 x 10 = 

30

100

4 x 5 =

20

100

9 x 100 =

900

100

8 x 2 = 

16

100

3 x 100 = 

300

200
15x 10 =

150

200

8 x 5 = 

40

200

21 x 100 = 

210

200

7 x 2  = 

14

200
100 x 5 = 

500

300

10 x 4 = 

40

300

5 x 9 = 

45

300

100 x 9 = 

900

300

11 x 2 = 

22

300

64 x 100 =

6,400

400
10 x 45

450

400

5 x 7 = 

35

400

45 x 100 =

4,500

400

2 x 6 =

12

400

100 x 93 = 

9,000

500

578 x 10 =

5,780

500

11 x 5 = 

55

500

345 x 100 = 

34,500

500

12 x 2 = 

24

500

398 x 100 = 

39,800