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Build Bigger Rectangles is a free printable Kindergarten math worksheet on composing a long rectangle from unit squares, aligned to Common Core standard K.G.B.6. It prints 4 questions with an answer key on its own sheet of paper, in 25 versions, 23 of them with 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 set

One paper per student

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Set 1 has all 25 in a single PDF. 23 of these 25 sets ask different questions — this skill does not have 25 questions to give. The rest reorder them, so no two students have the same paper in front of them.

Build Bigger Rectangles

K.G.B.6

NameDate

Count the squares. Area =

1.
Count the squares. Area =
2.
Count the squares. Area =
3.
Count the squares. Area =
4.
Count the squares. Area =

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

Answer key — Build Bigger Rectangles

Set 25. Prints on its own sheet.

  1. 1.6 square units
  2. 2.4 square units
  3. 3.10 square units
  4. 4.5 square units

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