Remember: A family's facts belong to every shape inside it. Facts pass down the tree, never up.
Facts move down the tree
1
Every rectangle has right angles.
2
Is every parallelogram a rectangle?
YesNo
3
Circle every shape that is a quadrilateral.
squaretriangletrapezoidhexagonrectangle
4
Every square is a rectangle.
TrueFalse
5
Is every rhombus a square?
YesNo
6
Every rectangle has four right angles. Which of these shapes must also have four right angles?
a squarea rhombusa parallelograma trapezoid
7
What is the smallest family that holds both a square and a rhombus?
a quadrilaterala parallelograma rhombusa rectangle
8
What is the smallest family that holds both a rectangle and a rhombus?
a quadrilaterala parallelograma squarea rectangle
9
Join each family to the fact that defines it.
1quadrilateral
2parallelogram
3rectangle
4rhombus
A4 right angles
B2 pairs of parallel sides
Cexactly 4 sides
D4 equal sides
10
Number the families from the biggest family (1) to the smallest (4).
square
quadrilateral
parallelogram
rectangle
11
Facts pass up the tree: every parallelogram has all the facts of a rectangle.
TrueFalse
12
Write one fact that a square gets from the rectangle family and one it gets from the rhombus family.
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