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Cookie Cutter Clues: What Every Shape Shares

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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.
1.
Lucia's rectangle cookie cutter is a parallelogram. Which must be true about it?
Question 1 options
2.
A square cookie cutter is a rhombus. Which feature does it have because it is a rhombus?
Question 2 options
3.
Nico's cookie cutter is a square. Choose ALL the features it must have.
Question 3 options
4.
Which group passes this feature down to every rectangle? Use the shape notes.

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

5.
Which group passes this feature down to every square? Use the shape notes.

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.

6.
Circle every shape that must have 2 pairs of parallel sides.

7.
Circle every shape that must have 4 right angles.

8.
Sort each statement.
9.
Every square has 4 right angles. Does every rhombus have 4 right angles?
Question 9 options

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?
Question 10 options
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.