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Sort Shapes by Sides is a free printable Kindergarten maths worksheet on classifying shapes by side count, aligned to Common Core standard K.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 pupils in the class work from the same page. Print it from the browser or download it as a PDF — no account, no email.

Set 15 of 25 · the same problems every time you open this link.

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

Sort Shapes by Sides

K.G.A.1

NameDate

Sort each one into the right box.

1.Sort each one into the right box.

Sort: triangle, yield sign, chessboard, kite

3 sides4 sides
2.Sort each one into the right box.

Sort: chessboard, roof shape, yield sign, rectangle

3 sides4 sides
3.Sort each one into the right box.

Sort: yield sign, triangle, rhombus, chessboard

3 sides4 sides
4.Sort each one into the right box.

Sort: rectangle, chessboard, triangle, square

3 sides4 sides
5.Sort each one into the right box.

Sort: trapezoid, chessboard, yield sign, triangle

3 sides4 sides

LessonPrint · K.G.A.1 · Set 15 · free to copy for classroom use

Answer key — Sort Shapes by Sides

Set 15. Prints on its own sheet.

  1. 1.3 sides: triangle, yield sign; 4 sides: chessboard, kite
  2. 2.3 sides: roof shape, yield sign; 4 sides: chessboard, rectangle
  3. 3.3 sides: yield sign, triangle; 4 sides: rhombus, chessboard
  4. 4.3 sides: triangle; 4 sides: rectangle, chessboard, square
  5. 5.3 sides: yield sign, triangle; 4 sides: trapezoid, chessboard

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