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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 22 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 small circle and a big square, a large circle and a small circle, a big circle and a small sphere, a big square and a small square

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

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

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

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

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

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

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

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

Same shapeDifferent shapes

LessonPrint · K.G.A.2 · Set 22 · free to copy for classroom use

Answer key — Same Shape, Different Size

Set 22. Prints on its own sheet.

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