Worksheet

Cookie Cutter Clues: What Every Shape Shares

Grade 5 geometry practice with bakery cookie cutters: students reason that shapes in a subcategory share every feature of the larger category.

Grade 5MathInteractive · Printable

Aligned to5.G.B.3

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What’s included

Single worksheet
Auto-graded online
1 Common Core standard
Printable answer key
12 questions
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Details

Format: Interactive · Printable
Grade: Grade 5
Subject: Math
Question types: Fill in the blank, Multiple choice, Circle the answer, Sorting, Short answer

About this worksheet

What students practice

Students explain that a shape in a subcategory has every feature of the larger category it belongs to.
Students decide which features must be true for squares, rectangles, rhombuses, and parallelograms.
Students recognize that features of a subcategory do not always belong to the larger category.

How to use

Read Baker Lucia's shape notes aloud and sketch each shape on the board first. Have students point to the note that proves each answer.

Curriculum

Common Core standard covered

5.G.B.3

Understand that features of a category of shapes belong to all shapes in its subcategories.

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Name Date

Cookie Cutter Clues: What Every Shape Shares

If a shape belongs to a bigger group, it has every feature of that group.

Features that pass down

Read Baker Lucia's shape notes. Use them to answer each question.

Baker Lucia's shape notes
A quadrilateral has 4 sides and 4 angles.
A parallelogram is a quadrilateral with 2 pairs of parallel sides. Its opposite sides are the same length.
A rectangle is a parallelogram with 4 right angles.
A rhombus is a parallelogram with 4 sides of the same length.
A square is both a rectangle and a rhombus.

Lucia's rectangle cookie cutter is a parallelogram. Which must be true about it?

A. It has 4 sides of the same length.
B. It has 2 pairs of parallel sides.
C. It has exactly 1 pair of parallel sides.
D. It has no right angles.

A square cookie cutter is a rhombus. Which feature does it have because it is a rhombus?

A. 4 right angles
B. exactly 3 sides
C. no parallel sides
D. 4 sides of the same length

Nico's cookie cutter is a square. Choose ALL the features it must have.

A. 4 right angles
B. exactly 1 pair of parallel sides
C. 4 sides of the same length
D. 2 pairs of parallel sides
E. 3 angles

Which group passes this feature down to every rectangle? Use the shape notes.

Word bank: parallelogram · rhombus · square · triangle

Every rectangle is a , so every rectangle has 2 pairs of parallel sides.

Which group passes this feature down to every square? Use the shape notes.

Word bank: parallelogram · rhombus · rectangle · triangle

Every square is a , so every square has 4 sides of the same length.

Must it be true?

Use the shape notes. Think about every shape in each group, not just one.

Circle every shape that must have 2 pairs of parallel sides.

squaretrianglerectanglequadrilateralrhombusparallelogram

Circle every shape that must have 4 right angles.

parallelogramrectanglerhombussquarequadrilateral

Sort each statement.

Every rectangle has 2 pairs of parallel sides.Every parallelogram has 4 right angles.Every square has opposite sides of the same length.Every rhombus has 4 right angles.Every rectangle has 4 angles.Every quadrilateral has 4 sides of the same length.

Always true	Not always true

Every square has 4 right angles. Does every rhombus have 4 right angles?

A. Yes, because every square is a rhombus.
B. Yes, because every quadrilateral has 4 right angles.
C. No, because a rhombus has no angles.
D. No, because a rhombus only needs 4 sides of the same length. Its angles do not have to be right angles.

Triangle cutters and reasons

Read the triangle notes. Then answer each question.

Triangle notes
A triangle has 3 sides and 3 angles.
An isosceles triangle has at least 2 sides of the same length.
An equilateral triangle has all 3 sides of the same length.
A right triangle has exactly 1 right angle.

10.

Ivy says, "My equilateral triangle cookie cutter is also an isosceles triangle." Is Ivy right?

A. No, because an isosceles triangle must have exactly 2 sides of the same length.
B. No, because an equilateral triangle has no right angle.
C. Yes, because it has at least 2 sides of the same length.
D. Yes, because it has a right angle.

11.

Mateo's cookie cutter is a right triangle and an isosceles triangle.

It must have at least sides of the same length and exactly right angle.

12.

Ben says, "The notes for squares do not say anything about parallel sides, so a square might not have parallel sides." Use the shape notes to explain why Ben is wrong.