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Same Shape, Different Size is a free printable Kindergarten math worksheet on size invariance — a big triangle and a tiny one are both triangles, aligned to Common Core standard K.G.A.2. 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 6 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.

Same Shape, Different Size

K.G.A.2

NameDate

Sort each pair into the right box.

1.Sort each one into the right box.

Sort: a big triangle and a small rectangle, a big circle and a small sphere, a large hexagon and a small circle, a small cube and a big cube

Same shapeDifferent shapes
2.Sort each one into the right box.

Sort: a large hexagon and a small circle, a big square and a small square, a huge hexagon and a small hexagon, a big triangle and a small rectangle

Same shapeDifferent shapes
3.Sort each one into the right box.

Sort: a large hexagon and a small circle, a long rectangle and a short rectangle, a large circle and a small circle, a big square and a small square

Same shapeDifferent shapes
4.Sort each one into the right box.

Sort: a big square and a small triangle, a big square and a small square, a huge hexagon and a small hexagon, a small cube and a big cube

Same shapeDifferent shapes
5.Sort each one into the right box.

Sort: a large hexagon and a small circle, a big triangle and a small rectangle, a small circle and a big square, a big triangle and a tiny triangle

Same shapeDifferent shapes

LessonPrint · K.G.A.2 · Set 6 · free to copy for classroom use

Answer key — Same Shape, Different Size

Set 6. Prints on its own sheet.

  1. 1.Same shape: a small cube and a big cube; Different shapes: a big triangle and a small rectangle, a big circle and a small sphere, a large hexagon and a small circle
  2. 2.Same shape: a big square and a small square, a huge hexagon and a small hexagon; Different shapes: a large hexagon and a small circle, a big triangle and a small rectangle
  3. 3.Same shape: a long rectangle and a short rectangle, a large circle and a small circle, a big square and a small square; Different shapes: a large hexagon and a small circle
  4. 4.Same shape: a big square and a small square, a huge hexagon and a small hexagon, a small cube and a big cube; Different shapes: a big square and a small triangle
  5. 5.Same shape: a big triangle and a tiny triangle; Different shapes: a large hexagon and a small circle, a big triangle and a small rectangle, a small circle and a big square

Last reviewed 2026-09-05. Aligned to K.G.A.2 of the Common Core State Standards for Mathematics.