Multiplying by Multiples of 10

Front

What is multiplying by a multiple of 10?

Back

It is the process of multiplying a number by 10, 20, 30, etc., which can be simplified by multiplying the number by the whole number and then adding a zero.

Front

What is 10 x 5?

Back

50

Front

What is 20 x 3?

Back

60

Front

What is 30 x 4?

Back

120

Front

What is 40 x 2?

Back

80

Front

If 5 x 10 = 50, what is 5 x 20?

Back

100

Front

If 6 x 10 = 60, what is 6 x 30?

Back

180

Front

If 7 x 10 = 70, what is 7 x 50?

Back

350

Front

If 8 x 10 = 80, what is 8 x 40?

Back

320

Front

What is the pattern when multiplying by multiples of 10?

Back

The result is the same as multiplying the number by the whole number and then adding a zero.