20 MATH STORIES y en español 
18. Why do elephants have big ears? (gr. 68): Wolf asks, “Why do elephants have big ears?” and Hoodie uses cubes to model elephants of various sizes to discover a neat relationship between surface area and volume. [measurement; geometry; surface area & volume relationships]  
NUMBER PATTERN/ALGEBRA MEASUREMENT/GEOMETRY DATA/PROBABILITY


Math can explain why elephants have big ears! Wolf asks, “Why do elephants have big ears?” and Hoodie uses cubes to model elephants of various sizes to discover a neat relationship between surface area and volume. Content: volume & surface area relationships; patterns in data 44 pages 
