I work with my 4th-grade small group three days a week, so we’ve built a rhythm. I know their strengths, their gaps, and the exact look they give me when something suddenly feels too hard.

This week, that look showed up during fractions.

When I gave them a fraction to model, they were confident and quick. They drew area models. They shaded circles. No stress. No second-guessing.

Then I said, “Now show it on a number line.”

Complete shutdown.

Pencils stopped moving. Eyes got wide. You would have thought I switched subjects to astrophysics.

And here’s the thing: they know number lines. They’ve seen them for years. But fractions on a number line feel different. Abstract. Risky. Unfamiliar in a way that shapes just don’t.