Multiplying by 10

This chapter explores how to multiply by 10. This is a very simple chapter and you’ll find that multiplying by 10 i...

This chapter explores how to multiply by 10. This is a very simple chapter and you’ll find that multiplying by 10 is very simple. Suppose we wanted to multiply 2 by 10. First we would arrange the numbers like the following. Multiplying by 10-01 First we multiply 2 by zero and get; Multiplying by 10-13 …and then multiply 2 by 1 as shown below. Multiplying by 10-02 Above we see that when you multiply 10 by 2 the answer is 10. Suppose we wanted to multiply 66 by 10. First we would arrange the numbers like the following. Multiplying by 10-03 First we multiply 0 by 6 to get 0. Multiplying by 10-04 Then multiply 6 by the other zero as shown below; Multiplying by 10-05 In the next column we place an extra zero as shown below. Multiplying by 10-06 Then we multiply 1 by 6 as shown below. Multiplying by 10-07 Then we multiply 1 by the other 6 and get 6 as shown below. Multiplying by 10-08 As we see above when you multiply 66 by 10 you get 660.

Dividing

Dividing is the opposite of multiplying. Suppose we wanted to divide 640 by 10. Multiplying by 10-09 When dividing by 10 you simply count one decimal place in the number to be divided by for example; Multiplying by 10-10 …or you could simply cancel when you have zero at the end. Multiplying by 10-11 That gives 64. So; 640 divided by 10 is 64. Multiplying by 10-12
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