Ages 5-8; Gr.2-4; Mathical Award Winner 2018.
Did you know that the earth is covered in three trillion trees? And that seven billion people weigh about the same as ten quadrillion ants? Our world is full of constantly changing numbers, from a hundred billion trillion stars in space to thirty-seven billion rabbits on Earth.

Gr.2-5.
Ada Lovelace, the daughter of the famous romantic poet, Lord Byron, develops her creativity through science and math. When she meets Charles Babbage, the inventor of the first mechanical computer, Ada understands the machine better than anyone else and writes the world's first computer program in order to demonstrate its capabilities.

Ages 7-10; Gr.3-6.
Nature's repeating patterns, better known as fractals, are beautiful, universal, and explain much about how things grow. Fractals can also be quantified mathematically. Here is an elegant introduction to fractals through examples that can be seen in parks, rivers, and our very own backyards.

Lexile measure 970; Ages 9-13; Gr.4-8.
The three books in the popular Shapes in Math, Science and Nature series, Squares, Triangles and Circles, are now available in one amazing compilation. The design has been refreshed, and the text by Catherine Sheldrick Ross has been lightly updated.

The Oxford Illustrated Math Dictionary supports and promotes success in math by making academic vocabulary accessible to high-beginning and intermediate language learners.

Ages 7-11, gr. 2-5.
The biggest mathematical mystery in nature--Fibonacci numbers! Named after a famous mathematician, the number pattern is simple: 1, 1, 2, 3, 5, 8, 13. . . . Each number in the sequence comes from adding the two numbers before it. What's the mystery? The pattern crops up in the most unexpected places.

Ages 5-8, gr. 1-4.
A gift from a wizard makes Jack's fortune grow by ones and twos, then threes and fours, then faster and faster, challenging you to keep track of his riches.

Guided Reading Level P; Lexile measure 560; Book level 3.7; Ages 6-9
When the teacher tells her class that they can think of almost everything as a math problem, one student acquires a math anxiety which becomes a real curse.

Gr. 1-4.
Simple text and pictures introduce the mathematical concept of factorials.