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 8 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.

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

Can make a squareCannot make a square

2.Sort each one into the right box.

Sort: nine small squares in rows of three, two squares side by side, four small squares, two circles

Can make a squareCannot make a square

3.Sort each one into the right box.

Sort: a circle and a triangle, two rectangles cut from a square, one triangle, two half 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, one triangle, two circles

Can make a squareCannot make a square

5.Sort each one into the right box.

Sort: two rectangles cut from a square, one triangle, two triangles cut corner to corner from a square, a circle and a triangle

Can make a squareCannot make a square

LessonPrint · K.G.B.6 · Set 8 · free to copy for classroom use

Answer key — Two Triangles Make a Square

Set 8. Prints on its own sheet.

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