What approach can deepen a fifth-grader's understanding of the idiomatic expression "one fell swoop"?

Deepening a fifth-grader's understanding of the idiomatic expression "one fell swoop" through the discussion of additional examples in context is particularly effective. This approach allows students to see how the phrase operates in various sentences and scenarios, which can clarify its meaning and usage. Contextual examples help students grasp the nuances of idiomatic expressions, as they often convey meanings that go beyond the individual words.

By examining the phrase in different contexts, students can connect the idiom to real-life situations or literature, aiding retention and comprehension. This exploration fosters critical thinking as students analyze how the expression functions and the emotions or actions it conveys. This exposure to multiple uses allows for a deeper understanding, making the idiom more vivid and relatable.

In contrast, simply discussing how to use the phrase in writing may not provide the rich context necessary for full comprehension. Creating new idioms may engage creativity but does not directly clarify the existing phrase. A quiz could test knowledge but wouldn't enhance understanding as effectively as working with contextual examples.