# Learning Long Division

Base 10 blocks or strips to ensure that understanding takes place. All too often long division is taught using the standard algorithm and rarely does understanding occur. Therefore, the student needs to have a good understanding of fair shares. A child should be able to show the division of the basic facts by showing fair shares. For instance, 12 cookies divided by 4 should be shown using buttons, base 10 or coins. A child needs to know how to represent 3 digit numbers using base 10. This first step shows how the number 73 is shown using base 10 strips.

Before attempting long division, students should be comfortable with these exercises.

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## Using Base Ten, Divide the Base Ten into the Quotient

The quotient is the number of groups to be used. For 73 divided by 3, 73 is the divident and 3 is the quotient. When students understand that division is a sharing problem, long division makes much more sense. In this case, the number 73 is identified with base 10 strips. 3 circles are drawn to indicate the number of groups (quotient). The 73 is then equally divided into the 3 circles. In this case, the children will discover that there will be leftovers.

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## Finding the Solution With Base 10 Strips

As the students separate the base 10 strips into the groups. They realize they must trade a 10 strip for 10 separate 1's to complete the process. This emphasizes place value very well.

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