Students solve problems by adding.  In this collection of addition lessons, students answer a variety of word problems and utilize addition skills. Links provide access to definitions and sample problems. 

What do police and detectives do to keep their community safe? Six short-answer questions make up a activity designed to reinforce reading comprehensions skills while providing information about police officers and detectives.  

Students develop a painless means for identifying cancerous tumors.  In this imaging lesson students list the information that may be needed to answer the problem.