Categorize these shapes into either parallelograms or non-parallelograms.

Groups:

(a) parallelograms

,

(b) non-parallelograms

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Tags

CCSS.2.G.A.1

Parallelograms​ (a)   ​ have ​ two pairs of opposite sides parallel.

• always
• sometimes
• never

Tags

CCSS.HSG.CO.C.11

Parallelograms ​ (a)   have four right angles.

• sometimes
• always
• never

Tags

CCSS.5.G.B.4

Rectangles are always squares.

• true

• false

Tags

CCSS.5.G.B.4

All trapezoids have only one pair of parallel sides.

• true

• false

Any quadrilateral with at least one pair of parallel sides is considered a trapezoid.

• true

• false

A square is ​ (a)   considered a trapezoid.

• always
• sometimes
• never

Organize these options into the right categories

Groups:

(a) trapezoids

,

(b) non-trapezoids

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Tags

CCSS.3.G.A.1

Isosceles trapezoids ​ (a)   have more than one pair of opposite sides parallel.

• never
• sometimes
• always

All parallelograms are trapezoids, but not all trapezoids are parallelograms.

• true

• false