Multiplying by Powers of 10

Front

50 x 3

Back

150

Front

3 x 60

Back

180

Front

6 x 200

Back

1,800

Front

7 x 40

Back

280

Front

5,000 x 5

Back

25,000

Front

6 x ? = 1,800

Back

300

Front

5 x ? = 10,000

Back

2,000

Front

6 x 50

Back

300

Front

7 x 600

Back

4,200

Front

6 x ? = 1,800

Back

300