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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 14 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.

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 large circle and a small circle, a small sphere and a big cube, a big triangle and a small rectangle, a big circle and a small sphere

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

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

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 small sphere and a big cube, a large circle and a small circle

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

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

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

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

Same shapeDifferent shapes

LessonPrint · K.G.A.2 · Set 14 · free to copy for classroom use

Answer key — Same Shape, Different Size

Set 14. Prints on its own sheet.

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

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