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Matt and Bibi unravel a pattern to discover a lost city
The Zills are visiting Peru to study the mysterious lost city of Quwi when Matt and Bibi stumble into an adventure.
With only each other, their faithful dog Riley, and an unusual ancient relic to guide them, the twins must use their understanding of patterns and sequences to locate the lost city—and the way back.
This companion to Mummy Math is a pattern-packed adventure in math that’s perfect for young readers.
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Matt, Bibi, and their dog Riley crawled through the tiny opening first. FWUMP! A secret door suddenly closed behind them . . .
Matt and Bibi use math to escape from a pharaoh's tomb!
When the Zills family is summoned to Egypt to help find the hidden burial site of an ancient pharaoh, Matt and Bibi are locked into an adventure they did not expect. Stuck inside a pyramid with only each other, their dog Riley, and geometric hieroglyphics to help them find their way, the twins must use their math knowledge to solve the riddles on the walls and locate the burial chamber.
Luckily, the two know their stuff when it comes to geometric solids.
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Assisted by his knight, Sir Cumference, and using ideas offered by his wife and son, King Arthur finds the perfect shape for his table....
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The Zills family is off to Paris to see the sights and take a class at the International Pastry Academy! In class, Matt and Bibi have to measure liquids to make lollipops. It’s hard work, but knowing about different liquid measurements comes in handy when the Inspector General pays a visit while everyone else is out. The twins want to help. Will their knack for baking the best-ever brownies and their knowledge of capacity be enough to save the day? ...
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THIS EDITION IS INTENDED FOR USE IN SCHOOLS AND LIBRARIES ONLY. Radius is on a quest to earn his knighthood! With only a circular medallion, a mysterious poem, and his own wits to guide him, he must find and rescue a missing king....
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THIS EDITION IS INTENDED FOR USE IN SCHOOLS AND LIBRARIES ONLY. In an adventurous title that teaches math skills, such as finding the area and perimeter of a rectangle and a circle, young Per must figure out how to unlock the secrets of the mysterious isl...
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Sir Cumference and Lady Di planned a surprise birthday party for King Arthur, but they didnt expect so many guests to show up. How many lunches will they need? And with more guests arriving by the minute, what about dinner? Sir Cumference and Lady Di have to figure out a quick way to count the guests to bring order to the party. Sir Cumference and his friends have been entertaining young and old alike for years as they introduce important math concepts with clarity and humor....
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THIS EDITION IS INTENDED FOR USE IN SCHOOLS AND LIBRARIES ONLY. 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 their son, Radius, race to help their friend,...
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THIS EDITION IS INTENDED FOR USE IN SCHOOLS AND LIBRARIES ONLY. When Sir Cumference drinks a potion which turns him into a dragon, his son Radius searches for the magic number known as pi, which will restore him to his former shape....
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11.
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Sir Cumference, Radius, and Sir Vertex search for Edgecalibur, the sword that King Arthur has hidden in a geometric solid....
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12.
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Sir Cumference and Lady Di planned a surprise birthday party for King Arthur, but they didnt expect so many guests to show up. How many lunches will they need? And with more guests arriving by the minute, what about dinner? Sir Cumference and Lady Di have to figure out a quick way to count the guests to bring order to the party. Sir Cumference and his friends have been entertaining young and old alike for years as they introduce important math concepts with clarity and humor....
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