K-2 math concepts include measuring and data. How long are a jaguar's whiskers or a toucan's beak? How long does it take a sloth to climb a tree?This book explores measuring elements from length and weight and time, with stunning pictures of the colorful animals of the Amazon.ABOUT THE SERIES: In Nature Numbers, math is beautiful, recognizable, and all around us! Highly engaging pictures of animals and nature scenes, along with cool chalk illustrations, are used to introduce basic math concepts and encourage kids to see a world of numbers all around them.