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Classifying 2D Figures 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 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 the figures below. Use the correct geometry words and explain your reasoning when asked.

  1. 1. What is the name of this figure: a part of a line with **two** endpoints?
  2. 2. What is the name of this figure: it starts at one endpoint and goes on forever in one direction (shown by the arrow)?
  3. 3. Are these two lines **parallel** or **perpendicular**?
  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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