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The best rule of thumb in assessment is to be sure children understand one-digit numbers before going on to: A. subtraction. B. two-digit addition. C. three-digit addition. D. regrouping.
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The best rule of thumb in assessment is to be sure children understand one-digit numbers before going on to:

A. subtraction.
B. two-digit addition.
C. three-digit addition.
D. regrouping.

User Nsfnotthrowingaway
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1 Answer

7 votes
before going to B.two-digit addition
User John Fouhy
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