Multiply by 10
3 x 10
What is 30?
2 x 100
What is 200?
3 x 40
What is 120?
7 x 70
What is 490?
6 x 10
What is 60?
100 x 7
What is 700?
6 x 600
What is 3,600?
10 x 19
What is 190?
10 x 9
What is 90?
8 x 100
What is 800?
4 x 800
What is 3,200?
80 x 7
What is 560?
14 x 10
What is 140?
21 x 100
What is 2,100?
6 x 500
What is 3,000?
700 x 60
What is 42,000?
243 x 10
What is 2,430?
100 x 356
What is 35,600?
500 x 400
What is 200,000?
80 x 5,000,000
What is 400,000,000?