Which of the following is true of teaching place value?
a. Pair the use of manipulatives to concretely represent the place and value of numbers with the use of written numbers in order to demonstrate how to write the numbers (abstract representation).
b. Although there is no “best” sequence, you should generally teach easier strategies first, then turnaround combinations, and then fact families.
c. Calculators and other technology have an important role to play.
d. All of the above
Ans: a
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