What do you call moving digits around to a different place when you count up or down past 9?

regrouping.

borrowing.

trading.

all of the above.

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klmason07 klmason07 · Answer 1 · 2020-09-09T15:32:23+02:00

D is the answer. All the above.

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MrRoyal MrRoyal · Answer 2 · 2021-11-09T14:21:34+01:00

Moving digits around to a different place when counting up or down past 9 is called regrouping, borrowing, or trading.

There are several terms for moving digits around, some of them are:

All the above mean the same thing, and they perform the same purpose.

For instance:

Counting from 19 to 20 involves borrowing/carrying/trading/regrouping of 1

Hence, the correct option is (d) all of the above