Question

1. Mrs. Oltz had 435 books in

her classroom. There were
165 mystery books, 82 science
fiction books, and some
biographies. Which number
sentence shows one way to find
how many biographies she had?
(3-8)
A 435 – 165 – 82 = 1
B 435 - 165 + 82 = 1
C 435 + 165 - 82 = 1
D 435 + 165 + 82 = 1

Answer 1

The answer would be A.
In order to find out how many biographies books, you would have subtract the number of mystery books and science fiction books from her total books.