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Classifying 2D Figures (Set 2) Worksheet

Grade 4 Math · printable worksheet (PDF) with answer key · 16 problems · CCSS 4.G.A.1, 4.G.A.2, 4.G.A.3

A printable grade 4 classifying 2d figures (set 2) practice worksheet with 16 problems and a complete, step-by-step answer key — formatted to print cleanly on standard paper. Included in the one-time $20 unlock for the full NudgeLearn library.

Sample problems

Identify and classify each figure using the correct geometry words. Explain your reasoning when a problem asks you to.

  1. 1. What is the name of this kind of angle: an angle that measures exactly degrees (shown by the small square)?
  2. 2. Is this angle **acute**, **right**, or **obtuse**?
  3. 3. Is this angle **acute**, **right**, or **obtuse**?
  4. 4. Are these two lines **parallel** or **perpendicular**?

Plus 12 more problems and a full answer key in the PDF.

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