Wednesday, October 21, 2009

Place Value: Tens and Ones

This week we are working on place value by using tens and ones blocks. The students have been using linking cubes to help them represent numbers in terms of tens and ones. For example, 24 could be represented as 2 tens and 4 ones. We have also been working on comparing their created numbers using the vocabulary of greater than/less than. 40 is greater than 32 because 40 has 4 tens and 32 only has 3 tens. A great way to help your child practice this concept at home is by visiting The National Library of Virtual Manipulatives. On this particular place value activity, your child will be presented various two digit numbers to create by clicking on the tens and ones pictures. Note, on the right side of the screen, set the template to two columns so your child is only practicing two digit numbers. If you have time, explore the rest of the website for additional interactive math manipulatives.

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