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Squares Are Rectangles is a free printable Grade 5 maths worksheet on how shape categories nest, aligned to Common Core standard 5.G.B.3. 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 pupils 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.

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One paper per pupil

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All 25 sets ask different questions.

Squares Are Rectangles

5.G.B.3

NameDate

Sort each one into the right box.

1.Sort each one into the right box.

Sort: rhombus, trapezoid, triangle, kite

Always a rectangleNot always
2.Sort each one into the right box.

Sort: triangle, parallelogram, trapezoid, chessboard

Always a rectangleNot always
3.Sort each one into the right box.

Sort: chessboard, rhombus, triangle, trapezoid

Always a rectangleNot always
4.Sort each one into the right box.

Sort: chessboard, trapezoid, square, oblong

Always a rectangleNot always
5.Sort each one into the right box.

Sort: square, parallelogram, trapezoid, kite

Always a rectangleNot always

LessonPrint · 5.G.B.3 · Set 1 · free to copy for classroom use

Answer key — Squares Are Rectangles

Set 1. Prints on its own sheet.

  1. 1.Always a rectangle: —; Not always: rhombus, trapezoid, triangle, kite
  2. 2.Always a rectangle: chessboard; Not always: triangle, parallelogram, trapezoid
  3. 3.Always a rectangle: chessboard; Not always: rhombus, triangle, trapezoid
  4. 4.Always a rectangle: chessboard, square, oblong; Not always: trapezoid
  5. 5.Always a rectangle: square; Not always: parallelogram, trapezoid, kite

Questions about Squares Are Rectangles

What does the Squares Are Rectangles worksheet cover?

It practises how shape categories nest — 5 questions for Grade 5, all on Common Core 5.G.B.3: Understand how shape categories fit inside one another. The instruction to pupils is “Sort each one into the right box”, and the answer key follows on the next sheet.

Which Common Core standard does Squares Are Rectangles practise?

CCSS.MATH.CONTENT.5.G.B.3 — 5.G.B.3, in the Geometry domain for Grade 5. The published standard reads: “Understand that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category.” The worksheet assesses that standard rather than a paraphrase of it.

What age or grade is this worksheet for?

Squares Are Rectangles is written for Grade 5, typically ages 10-11. It is one of the sheets on 5.G.B.3, so it suits any pupil working at that standard — including older pupils revisiting it and younger ones working ahead.

Does Squares Are Rectangles come with an answer key?

Yes. All 5 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 Squares Are Rectangles can I print?

25 — one per pupil, and all 25 ask different questions. Set 1 downloads the whole class as a single PDF. Every version is fixed to its own address, so a sheet printed today holds the same problems when you reopen it next week.

Is Squares Are Rectangles free to print and photocopy?

Yes. Squares Are 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.

Is there a lesson plan to teach 5.G.B.3?

Yes — “How Shape Categories Nest” is a 50-minute Grade 5 plan for 5.G.B.3, timed section by section, with the misconceptions to expect and an exit ticket. Squares Are Rectangles is the practice that follows it.

More practice for 5.G.B.3

Understand how shape categories fit inside one another.

Teaching this next? How Shape Categories Nest is the 50-minute plan for it, with the misconceptions to expect.

All Grade 5 worksheets

Last reviewed 2026-09-05. Aligned to 5.G.B.3 of the Common Core State Standards for mathematics.