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Davis Thayer Elementary School > Math Room

Place Value

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Newsletter on Place Value

Place value means that each position in a number has a different value associated with it, that is 362 is three 100's six 10's and two 1's. We used to teach about place value by asking children to think about the difference between the 2 in 12 and the 2 in 24. However, children can learn more about place value by solving problems that involve collections of ten. When children learn about place value, they come to understand that groups of ten can be created and counted just like units of one.


Here is an example of one child's strategy of subtracting using place vlaue:

Gary had 73 dollars. He spent 51 dollars on a pet snake. How many dollars did Gary have left?
"The 70 take away the 50, that is 20. And 3 take away 1 is 2, that's 22."

4109  
Updated: Sep 30, 2002  



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