# Add and subtract within 100 word problems 3

Practice solving word problems with addition and subtraction.   These questions are start unknown problems including add to and take from problems.  Numbers used are 100 or less.

### Problem

Bernie used several bricks yesterday when he started to build the chimney. Today he added 32 more bricks. Now, the chimney has a total of 99 bricks.
How many bricks did Bernie use yesterday?
bricks