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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 16 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 large hexagon and a small circle, a small circle and a big square, a big square and a small square

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

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

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

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

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

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

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

Same shapeDifferent shapes

LessonPrint · K.G.A.2 · Set 16 · free to copy for classroom use

Answer key — Same Shape, Different Size

Set 16. 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 large hexagon and a small circle, a small circle and a big square
  2. 2.Same shape: a big triangle and a tiny triangle, a small cube and a big cube; Different shapes: a big circle and a small sphere, a large hexagon and a small circle
  3. 3.Same shape: a large circle and a small circle, a big square and a small square, a long rectangle and a short rectangle; Different shapes: a big circle and a small sphere
  4. 4.Same shape: a big square and a small square, a small cube and a big cube, a large circle and a small circle; Different shapes: a big square and a small triangle
  5. 5.Same shape: a large circle and a small circle, a long rectangle and a short rectangle, a big square and a small square; 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.