The Greedy Triangle
by Marilyn Burns · Grade K-3 · Ages Ages 4-8
A busy little triangle starts to feel bored and wishes it had more sides and angles. It visits a shape-shifter and begins changing into new shapes, helping readers spot geometry in the world around them.
Key vocabulary
A shape with 3 straight sides and 3 corners.
Wanting more and more, even when you already have enough.
One of the straight lines that makes the outside of a shape.
The corner where two sides of a shape meet.
A shape with 4 straight sides.
A shape with 5 straight sides.
A shape with 6 straight sides.
A make-believe character who can change one shape into another.