Sewing 1 State Practice Test

What term describes trimming seam allowances to different widths?

Notching Grading Pressing Stitching

Correct Answer:

Grading

Explanation:

Grading seam allowances means trimming them to different widths along the seam to reduce bulk and help edges lie flat, especially where curves or multiple layers meet. When you keep a uniform width everywhere, bulky areas can bunch or show through; by grading—making some parts thinner than others—you minimize that bulk and keep the seam smooth and the fabric nesting correctly. Notching, by contrast, involves cutting small V-shaped wedges in the seam allowance to release fullness around curves, but it isn’t about varying the width across the entire seam. Pressing is about heat-setting the seam to lie flat, and stitching is the actual sewing; neither adjusts seam allowance width. So the term for trimming to different widths is grading.

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