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Two Triangles Make a Square is a free printable Kindergarten math worksheet on composing a larger shape from smaller ones, aligned to Common Core standard K.G.B.6. 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 7 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.

Two Triangles Make a Square

K.G.B.6

NameDate

Sort each one into the right box.

1.Sort each one into the right box.

Sort: two circles, one triangle, four small squares, three squares in a row

Can make a squareCannot make a square
2.Sort each one into the right box.

Sort: two circles, two half circles, a circle and a triangle, one triangle

Can make a squareCannot make a square
3.Sort each one into the right box.

Sort: nine small squares in rows of three, a circle and a triangle, two triangles cut corner to corner from a square, one triangle

Can make a squareCannot make a square
4.Sort each one into the right box.

Sort: two rectangles cut from a square, four small squares, a circle and a triangle, four triangles cut from a square

Can make a squareCannot make a square
5.Sort each one into the right box.

Sort: two rectangles cut from a square, four triangles cut from a square, nine small squares in rows of three, two triangles cut corner to corner from a square

Can make a squareCannot make a square

LessonPrint · K.G.B.6 · Set 7 · free to copy for classroom use

Answer key — Two Triangles Make a Square

Set 7. Prints on its own sheet.

  1. 1.Can make a square: four small squares; Cannot make a square: two circles, one triangle, three squares in a row
  2. 2.Can make a square: —; Cannot make a square: two circles, two half circles, a circle and a triangle, one triangle
  3. 3.Can make a square: nine small squares in rows of three, two triangles cut corner to corner from a square; Cannot make a square: a circle and a triangle, one triangle
  4. 4.Can make a square: two rectangles cut from a square, four small squares, four triangles cut from a square; Cannot make a square: a circle and a triangle
  5. 5.Can make a square: two rectangles cut from a square, four triangles cut from a square, nine small squares in rows of three, two triangles cut corner to corner from a square; Cannot make a square: —

More practice for K.G.B.6

Put small shapes together to build bigger ones.

Teaching this next? Building Bigger Shapes from Smaller is the 30-minute plan for it, with the misconceptions to expect.

All Kindergarten worksheets

Last reviewed 2026-09-05. Aligned to K.G.B.6 of the Common Core State Standards for Mathematics.