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Quadrilaterals is a free printable Grade 3 math worksheet on shapes with four sides, whatever else they have in common, aligned to Common Core standard 3.G.A.1. It prints 5 questions with an answer key on its own sheet of paper, in 25 versions that each ask different questions, so no two students in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 21 of 25 · the same problems every time you open this link.

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One paper per student

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Set 1 has all 25 in a single PDF. All 25 sets ask different questions.

Quadrilaterals

3.G.A.1

NameDate

Sort each one into the right box.

1.Sort each one into the right box.

Sort: triangle, trapezoid, hexagon, parallelogram

QuadrilateralNot a quadrilateral
2.Sort each one into the right box.

Sort: triangle, kite, rectangle, pentagon

QuadrilateralNot a quadrilateral
3.Sort each one into the right box.

Sort: octagon, trapezoid, circle, pentagon

QuadrilateralNot a quadrilateral
4.Sort each one into the right box.

Sort: triangle, octagon, rectangle, circle

QuadrilateralNot a quadrilateral
5.Sort each one into the right box.

Sort: parallelogram, triangle, half circle, pentagon

QuadrilateralNot a quadrilateral

LessonPrint · 3.G.A.1 · Set 21 · free to copy for classroom use

Answer key — Quadrilaterals

Set 21. Prints on its own sheet.

  1. 1.Quadrilateral: trapezoid, parallelogram; Not a quadrilateral: triangle, hexagon
  2. 2.Quadrilateral: kite, rectangle; Not a quadrilateral: triangle, pentagon
  3. 3.Quadrilateral: trapezoid; Not a quadrilateral: octagon, circle, pentagon
  4. 4.Quadrilateral: rectangle; Not a quadrilateral: triangle, octagon, circle
  5. 5.Quadrilateral: parallelogram; Not a quadrilateral: triangle, half circle, pentagon

More practice for 3.G.A.1

Group shapes by what they have in common.

Teaching this next? Sorting Shapes by Shared Attributes is the 45-minute plan for it, with the misconceptions to expect.

All Grade 3 worksheets

Last reviewed 2026-09-05. Aligned to 3.G.A.1 of the Common Core State Standards for Mathematics.