When making a place value chart for decimals, Melinda writes "oneths" as the heading immediately to the right of the decimal point. How could you clarify this concept for her?
a. tell her that there is no such thing as "oneths" and that the correct answer is "tenths."
b. explain that as we move from left to right on the place-value chart, each place is one-tenth of the value of its neighbor on the left.
c. simply change the heading for her since she is confused enough already.
d. tell her that the middle of the chart is not the decimal point, it is the ones column; so, if tens is to the left of one, then tenths must be to the right of one.
b
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