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Grade 5 NJSLS-Math Prerequisite Concepts and Skills - NJ.gov
The first column contains the grade level standard and student learning ... previous understandings of adding and subtracting to add and subtract decimals.
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Repeating decimal - Wikipedia
A repeating decimal or recurring decimal is decimal representation of a number whose digits are periodic and the infinitely repeated portion is not zero.
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Addition and Subtraction with Decimal Numbers
Stack the numbers according to place value. (This will line up the decimals.) Add the numbers in the columns starting with the column on the right.
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