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Scaffold a Percent Problem
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ParaPro
PPM.147 Scaffold a Percent Problem
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A visual for percent increase shows an original value of 120 and a new value of 150. Which prompt best scaffolds percent-change reasoning?
A
Show the change from 120 to 150 and ask students to compare that change with the original 120.
B
Treat 150 as 150% and stop because it is larger than 120, using the displayed information, using the displayed information.
C
Add 120 and 150 to find the percent increase.
D
Compare the change with 150 because it is the new value.
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