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What's Your Angle, Pythagoras?

Julie Ellis (author), Phyllis Hornung Peacock (illustrator)

Publisher: Charlesbridge ISBN: 9781570911507

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.

Pythagoras and the Ratios

Julie Ellis (author), Phyllis Hornung Peacock (illustrator)

Publisher: Charlesbridge ISBN: 9781570917769

A Math Adventure! Julie Ellis and Phyllis Hornung Peacock team up once again to explore Pythagorean ratios in this humorous sequel to What's Your Angle, Pythagoras? 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. This book is good for your brain because: Mathematical problem solving, Ratios, Measuring, Musical Theory, History of Instruments

The Big Test

Julie Danneberg (author), Judy Love (illustrator)

Publisher: Charlesbridge ISBN: 9781580893619

Mrs. Hartwell is preparing her class to take the Big Test. Knowing they have studied and are well-prepared, she helps the students practice how to sit quietly, fill in the bubbles, and follow the directions. She even instructs them on proper morning-of-the-test nutrition. As her students grow increasingly anxious about the Big Test, Mrs. Hartwell realizes she has to teach the most valuable test-taking skill of all: learning to relax!