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Use knowledge of column addition and subtraction to calculate with decimal numbers

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I can use knowledge of column addition and subtraction to calculate with decimal numbers.

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Numbers are recorded in columns with the same value digits in each column. Start with the smallest value column in case numbers need to be regrouped or exchanged. If the value of a digit in the minuend is greater than the same digit in the subtrahend, you will need to exchange. Make sure that any regrouped numbers are added in with others of the same value.

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This content is by Cashar and published under an open licence.