Bookmark Monday: Medieval Math

So sue me, I like corny math story books. But with a title like Sir Cumference and the King’s Tens, you’re not just that wee bit curious of the content?

Noticing that the King has been rather gloomy of late, Lady Di of Ameter suggests to her husband, Sir Cumference the idea of hosting a surprise birthday party for the King. Which is a great idea, except now the castle is burgeoning with guests and more are arriving by the minute, and Lady Di needs a way to figure out how many lunches she needs to tell the cook to prepare.

With the help of the Knights of the Round Table – Sir Kell, Sir Tangent and Sir Lionel Segment, Sir Cumference and Lady Di of Ameter must quickly figure out the most time-efficient and accurate method of counting the total number of guests.

How do we do it?

Line them all in a straight line and count?….Too slow….

Form small circles and total the sum of parts? …Too exhausting…

What next?

Cindy Neuschwander cleverly introduces “place value” in an entertaining and engaging way as the story makes use of tents to illustrate the concept by separating the 9,999 guests that show up for King Arthur’s party into nine groups of one thousand, nine groups of one hundred, nine groups of ten and nine single guests, divided into four tents or number neighbourhoods.

I’ll be keeping an eye out for the rest of the Sir Cumference series now.

Huzzah for more corny math storybooks!

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One response to “Bookmark Monday: Medieval Math”

  1. Julie says :

    These books are favorite at my house!

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