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.
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
This alphabet book brings the topic of economics down to a child's level, using tangible examples and scenarios to explain complex ideas. M is for Money uses snappy rhymes and expository text to introduce subjects ranging from supply and demand to taxes. Dynamic and witty artwork brings each topic to life.
T is for a Time Alphabet uses poetry and expository text to explore the concept of time, from explaining basic units of measurement to showcasing important scientific achievements. Topics include famous inventors (Albert Einstein and John Harrison) and important structures and landmarks (Kulkulkan Pyramid and Big Ben). Budding scientists will discover what world-famous stone structure is believed to be an early calendar, follow the voyages of explorer Ferdinand Magellan to better understand the International Date Line, and learn to tell time using the Zulu time system.
Discusses how money was used throughout history.
Decimals have never been more fun to learn about than in this rhyming text with step-by-step shortcuts on mastering how to add, subtract, multiply, and divide decimals. Place value, digits, multiplying by powers of ten, models, and practice exercises, all with color-coded answer keys are just a fraction of what will help students learn just how dandy decimals can be! This book will allow students to add, subtract, multiply, and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
Positive and negative numbers are addressed in this fun book with rhyming text. Learn all about absolute value, how to compare and order numbers, rational values, and four quadrant graphing, with easy to understand examples and practice exercises. So, hop on the number line and start learning more about numbers. This book will allow students to recognize that in a multi-digit number, a digit in one place represents 10 times as much as it represents in the place to its right and 1/10 of what it represents in the place to its left.