Illustrator: Wayne Geehan
Want to learn a way to teach your students how to group numbers in sets of 10? Look no further than this modern tale of a medieval noble who groups party guests in order to count them. In Sir Cumference and All the King's Tens, Sir Cumference and his wife, Lady Di of Ameter, throw a surprise party for King Arthur. So many people arrive (9,000+) that the hosts have no idea how to count them for lunch! They finally figure out how to arrange the guests in groups of 10, 100, and 1000. This makes their counting much easier and more accurate than a very good guess. I thought this book was a good teaching tool for the math concept of grouping. We all know some children who have difficulty understanding how numbers fit together to make bigger numbers, and I thought the illustrations in this book helped tremendously. The story line was funny, and the pictures added humor to the text. I was a little confused at first why a book with a character named "Sir Cumference" dealt with grouping, and I would have thought circles would have had a prominent role in the story. Regardless, this book is a fun way to teach a necessary math concept.
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