ebook

Math (X) - Elementary (X) - Ebook (X)

Addition in the Forest

Icon: 
ebook icon

Uses a trip into the woods to teach basic arithmetic. Describes addends, sums, the commutative property of addition, and the associative property of addition. Also includes color photographs and a glossary of words found in the text.

Addition in the Forest

Division with Toys

Icon: 
ebook icon

Introduces young readers to division through everyday situations. Features simple text, full-color photographs, a glossary, and a list of resources for further study.

Division with Toys

Graphing in the Desert

Icon: 
ebook icon

Readers use graphing methods to keep track of the different things they see in a desert. Defines terms such as bar graph, circle graph, icon, key, line graph, and pictograph.

Graphing in the Desert

Holiday Fractions

Icon: 
ebook icon

Uses bright illustrations with specific Holiday objects to teach young students how to work with fractions.

Holiday Fractions

Measuring at Home

Icon: 
ebook icon

Uses unique photographs and simple instructions to teach children how to measure a variety of things around their home including some measurements in recipes.

Measuring at Home

Money at the Store

Icon: 
ebook icon

Teaches money and counting concepts through a story about two boys who go to the grocery store to buy items to make ice cream sundaes.

Money at the Store

Multiplication on the Farm

Icon: 
ebook icon

Introduces multiplication concepts as seen on a farm. Elements counted include pigs, horseshoes, eggs, and cornstalks.

Multiplication on the Farm

Toads and Tessellations

Icon: 
ebook icon

Magic. . .or math?



Enzo is the son of a great magician, however unlike his father, his spells create chaos instead of order. What really interests Enzo, more than books about magic, are books by and about the lives of famous physicists and astronomers like Galileo Galilei and Johannes Kepler. Enzo dreams not of becoming a magician, but a mathematician instead.



Toads and Tessellations

Very Improbable Story, A

Icon: 
ebook icon

Ethan wakes up one morning to find a very strange cat stuck on his head. The cat, Odds, refuses to budge until Ethan wins a game of probability. Without looking, Ethan must pick out a dime from his coin collection or two matching socks from his dresser, or do something else improbable. If he doesn't, Odds is there to stay, and Ethan has a 100% chance of missing his big soccer game.

Very Improbable Story, A

The Great Number Rumble

Icon: 
ebook icon

When the schools in Jeremy’s town ban math, there are loud cheers from the kids. Even his teachers happily toss their textbooks. But Jeremy’s best friend Sam, a self-proclaimed mathnik, sets out to prove that math is not only important, but fun!

The Great Number Rumble

Pythagoras and the Ratios

Icon: 
ebook icon

Pythagoras and his cousins want to win a music contest, but first they must figure out how to play their instruments in tune, something that's never been done before.



While trying to fix the problem, Pythagoras makes an important discovery--notes that sound pleasant together have a certain mathematical relationship. When Pythagoras applies this ratio to his cousins' pipes and lyres, the result is music to the ears.

Pythagoras and the Ratios

What's Your Angle, Pythagoras?

Icon: 
ebook icon

Young Pythagoras can't seem to stay out of trouble. Every time he tries to help, people get angry. What's a curious kid to do?


On a trip to Egypt, Pythagoras' curiosity helps him discover the secret of the right triangle. A clever introduction to the Pythagorean Theorem.

What's Your Angle, Pythagoras?

Sir Cumference and the Isle of Immeter

Icon: 
ebook icon

When young Per visits her uncle Sir Cumference, aunt Lady Di of Ameter, and her cousin Radius, they teach her how to play Inners and Edges. After Per finds a clue linking the game to the mysterious castle of the Countess Areana, she and Radius sail to the island of Immeter. There, they have to decipher cryptic clues while avoiding a sea serpent. To unlock the island's secret, Per has to figure out how to find the perimeter and area of a circle. Only then can she become Per of Immeter.


Sir Cumference and the Isle of Immeter

Sir Cumference and the Sword in the Cone

Icon: 
ebook icon

King Arthur has issued a challenge. The first knight to find the sword, Edgecalibur, will be the next king. Sir Cumference, Lady Di of Ameter, and Radius help their friend, Vertex, find the sword.


Keywords: king, heir, geometry, math, quest, puzzles

Sir Cumference and the Sword in the Cone

Sir Cumference and the Great Knight of Angleland

Icon: 
ebook icon

On a quest to earn his knighthood, Radius uses different geometry concepts to find and rescue a missing king.


Keywords: king, heir, geometry, math, quest, puzzles, knight

Sir Cumference and the Great Knight of Angleland

Pages