Skip to content
LessonPrint

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 25 of 25 · the same problems every time you open this link.

Next setLesson plan

One paper per student

12345678910111213141516171819202122232425

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: four small squares, a circle and a triangle, four triangles cut from a square, three squares in a row

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

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

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

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

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

Sort: nine small squares in rows of three, two triangles cut corner to corner from a square, two squares side by side, two half circles

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

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

Can make a squareCannot make a square

LessonPrint · K.G.B.6 · Set 25 · free to copy for classroom use

Answer key — Two Triangles Make a Square

Set 25. Prints on its own sheet.

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

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.