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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 10 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 circle and a small sphere, a big square and a small square, a big square and a small triangle, a huge hexagon and a small hexagon

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

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

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

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

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

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

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

Sort: a big square and a small triangle, a small sphere and a big cube, a small cube and a big cube, a big triangle and a small rectangle

Same shapeDifferent shapes

LessonPrint · K.G.A.2 · Set 10 · free to copy for classroom use

Answer key — Same Shape, Different Size

Set 10. Prints on its own sheet.

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

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