Friday, August 21, 2015

Math problem of the week: a 5th grade Common Core-inspired test question

A sample 5th grade test question from Pennsylvania's revised PSSA tests, which resulted in a huge drop in test scores test-wide.

[The correct answer is starred, and the incorrect answers have italicized annotations]

Extra Credit:

Compare this question's mathematical demands with its linguistic demands. Identity the dangling modifier, the ambiguity of "at the end," and the ambiguity of what "from the end of" and "combined" apply to.

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