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 1 · free to copy for classroom use
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 1 of 25 · the same problems every time you open this link.
Next setAnswer key — Build Bigger Rectangles
Set 1. Prints on its own sheet.
- 1.4 square units
- 2.6 square units
- 3.10 square units
- 4.8 square units
Questions about Build Bigger Rectangles
What does the Build Bigger Rectangles worksheet cover?
It practices composing a long rectangle from unit squares — 4 questions for Kindergarten, all on Common Core K.G.B.6: Put small shapes together to build bigger ones. The instruction to students is “Count the squares. Area =”, and the answer key follows on the next sheet.
Which Common Core standard does Build Bigger Rectangles practice?
CCSS.MATH.CONTENT.K.G.B.6 — K.G.B.6, under Geometry for Kindergarten. The published standard reads: “Compose simple shapes to form larger shapes.” The worksheet assesses that standard rather than a paraphrase of it.
What age or grade is this worksheet for?
Build Bigger Rectangles is written for Kindergarten, typically ages 5-6. It is one of the sheets on K.G.B.6, so it suits any student working at that standard — including older students revisiting it and younger ones working ahead.
Does Build Bigger Rectangles come with an answer key?
Yes. All 4 answers are generated from the same problems as the questions, so the key cannot drift out of step with the sheet. It starts on a fresh sheet of paper, after the questions, so it is not handed out with the class by accident.
How many different versions of Build Bigger Rectangles can I print?
25 versions, of which 23 ask genuinely different questions — this skill does not have 25 distinct questions to give, so the rest reorder them and no two students still share a paper. Set 1 downloads all 25 as one PDF.
Is Build Bigger Rectangles free to print and photocopy?
Yes. Build Bigger Rectangles, its answer key and its 25 versions are free to print and photocopy for your own class, with no account, no email capture and no subscription at the download step. Please do not resell them or republish them as your own.
More practice for K.G.B.6
Put small shapes together to build bigger ones.
Last reviewed 2026-09-05. Aligned to K.G.B.6 of the Common Core State Standards for Mathematics.