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Get in Shape: Two-Dimensional and Three-Dimensional ShapesWhat shape do bees build with? How do you flatten a pyramid? Why is a polar bear so big? Learn all about two- and three-dimensional objects—and how they fit together to make the world around us—all in the pages of this book. Learn MoreSpecial Price $20.25 Regular Price $27.00 -
Get the Measure: Units and MeasurementsHow big is a hydrogen atom? What is the speed limit of the universe? How does a computer tell time? Learn all about length, area, volume, and speed—and how we use them to measure the world around us—all in the pages of this book. Learn MoreSpecial Price $20.25 Regular Price $27.00
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Super Sums: Addition, Subtraction, Multiplication, and DivisionHow can you multiply using your fingers? How does a soroban speed up your sums? Learn all about addition, subtraction, multiplication, and division—and how you can use simple tricks to make math easier—all in the pages of this book. Learn MoreSpecial Price $20.25 Regular Price $27.00
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Your Number's Up: Digits, Number Lines, Negative and Positive NumbersWhen did humans first start counting? Is infinity really a number? Learn all about numbers big and small—and how we use them to describe the world around us—all in the pages of this book. Learn MoreSpecial Price $20.25 Regular Price $27.00
