Fourth grade multiplication

x 6

100

6x2

12

200

500 x 6

3000

300

300x6

1800

400

9x6

54

500

1000x6

6000

x 2

100

2x2

4

200

21x2

42

300

2x30

60

400

2x8

16

500

200x2

400

x 20

100

20x5

100

200

700x20

1400

300

20x50

1000

400

10x20

200

500

2x20

40

x 10

100

10x10

100

200

10x30

300

300

10x40

400

400

100x70

700

500

10x20

200

x 9

100

9x3

27

200

9x60

540

300

9x41

369

400

20x9

180

500

5x9

45