Aligning Decimals for Sums and Differences

Aligning Decimals for Sums and Differences

Explore how the positions of decimal points in numbers affect their sums and differences.


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Putting It All Together

Answer these open ended questions on your own or with others to form deeper math connections.

Offene Frage 1

What do you notice about the positions of the decimals in a sum or difference?

Eingabe von Text und mathematischen Symbolen

Offene Frage 2

In finding , Alex wrote the following calculation: Why would Alex write extra zeros?

Eingabe von Text und mathematischen Symbolen