Money amounts expressed in cents are whole-number quantities that can be combined by adding their values, using place value to compose a new ten or, when appropriate, recognize 100 cents as one dollar. The understanding connects coin representations and written cent amounts while preventing the misconception that coin counts, rather than coin values, should be added; decimal addition involving dollars and cents and larger monetary calculations are not included.
To add money amounts written in cents, add the values of the cents using place value. The number of coins does not matter; each coin’s value matters.
Example: Find .
Add the ones:
. Write in the ones place and regroup ones as ten.
Add the tens, including the regrouped ten:
tens.
So,
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