David A Adler
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"Grab your jumbo popcorn and 3-D glasses, because you're invited to the premiere of a 3-D movie! The star-studded cast of monsters will help you calculate the perimeter of the set, the area of the movie screen, and the volume of your popcorn box. Learning about dimensions has never been so entertaining."--Amazon.com.
6) Place value
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"The mathematical concept of place value is explained using a place value chart, descriptions of how money is notated, and humorous examples from a recipe that a group of monkeys is using to make a gigantic banana muffin"--
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Fractions, decimals, and percents are everywhere! Just take a stroll around a county fair. There are reactions at the pie-eating contest, decimals in the arcade, and percent signs in the prize booth. Each time you see a fraction, decimal, or percent, you can easily convert it into its equivalent. This entertaining picture book is sure to earn 100% from math students and teachers.
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Kids use simple machines every day without realizing it. Teeth are wedges and so are knives, forks, and thumbtacks. Many toys such as slides, which are inclined planes, and seesaws, which are levers, are also simple machines. Two appealing kids and their comical cat introduce levers, wheels, pulleys, inclined planes, and more, and explain how they work. This lively introduction to physics will get kids excited about how simple machines simplify our...
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Using her photographic memory Cam Jansen joins Eric in solving the mystery of how some of the school computers were stolen. The snow is falling hard, but that doesn't stop Cam and Eric from solving a mystery. Three computers are missing from Mrs. Bell's computer lab. Who could have taken them? How did the thief get away amid the snowy day chaos of parents, students and teachers? 'Click, click' with Cam Jansen as she gathers clues around the school....