Full of originality and humor, these are the stories of Sir Cumference and his wife, Lady Di of Ameter on their rousing mathematical adventures!
Common Core Alignment:
RI.4.4. Determine the meaning of general academic and domain-specific words or phrases in a text relevant to a grade 4 topic or subject area. 5.NBT.A.1 Recognize that in a multi-digit number, a digit in one place represents 10 times as much as it represents in the place to its right and 1/10 of what it represents in the place to its left.