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Decimal addition

This math skill teaches how to add decimals. Align the decimals in a column, add zeros if necessary for equal decimal places, and perform addition as usual. Ensure the decimal point in the result aligns vertically with those above.

Learn decimal addition

Teaching Transcript

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Let's add 0.25 and 0.06

First, write them in columns so we can line up the decimal places. You can add zeroes to the end of any decimal if needed.

Now our addition works as it normally does

Bring down the decimal place in the same line. Our answer is 0.31

Skill Practice

Decimal addition

Test your understanding of decimal addition by practicing it! Work through the below exercises to use it in practice.