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Note: There is a followon worksheet here that uses the decomposing of a ten to help with subtraction. i.e. subtraction with regrouping. Complete the sentences below to show how many tens and how many ones there are in the numbers. Use the base ten blocks to help. The first one is done for you. 







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The various resources listed below are aligned to the same standard, (1NBT02) taken from the CCSM (Common Core Standards For Mathematics) as the Place value Worksheet shown above.
Understand that the two digits of a twodigit number represent amounts of tens and ones. Understand the following as special cases:
Similar to the above listing, the resources below are aligned to related standards in the Common Core For Mathematics that together support the following learning outcome:
Understand place value