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 17 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: one triangle, four small squares, four triangles cut from a square, two circles

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

Sort: three squares in a row, two rectangles cut from a square, one triangle, four triangles cut from a square

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

Sort: two half circles, four small squares, two squares side by side, four triangles cut from a square

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

Sort: four small squares, two squares side by side, a circle and a triangle, two triangles cut corner to corner 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, two circles, four small squares, four triangles cut from a square

Can make a squareCannot make a square

LessonPrint · K.G.B.6 · Set 17 · free to copy for classroom use

Answer key — Two Triangles Make a Square

Set 17. Prints on its own sheet.

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

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.