Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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Addition and Subtraction with Decimals - Problem 1

Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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To organize our addition of decimals, we need to align them vertically so we know which values to add to which. First, write the numbers with the decimal points on top of each other. Then add zeros to the shorter decimal to make them have the same length. From there, you can add as you would any numbers and put the decimal where you lined it up.

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