Decomposing whole numbers | Foundations of numbers | 3rd grade math (TX TEKS) | Khan Academy
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https://www.khanacademy.org/math/grade-3-tx-teks/x41fbdd6301d5fded:foundations-of-numbers/x41fbdd6301d5fded:writing-whole-numbers/v/decomposing-whole-numbers
Sal looks at a number written in standard form and figures out how we can say the number by decomposing the parts.
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