Doug wants to use mental math to add 413 and 351.
Which of these shows how to break apart the numbers into hundreds, tens, and ones?
A.
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Break 413 into 400 + 13. Break 351 into 300 + 50 + 1.
B.
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Break 413 into 400 + 10 + 3. Break 351 into 300 + 51 + 1.
C.
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Break 413 into 400 + 10 + 3. Break 351 into 300 + 50 + 1.
D.
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Break 413 into 400 + 13. Break 351 into 300 + 51.