Used to enhance student learning through practice, this flat sided puzzle will re-enforce problem solving strategies through the use of inverse operations. Students must match the equation on one side of the puzzle piece to a value for x that makes the statement true Meets Common Core State Standards 6.EE.5, 6.EE.7, 7.NS1d, and 7.NS.2c. Math puzzle includes lesson plan, puzzle, and answer key. Math puzzle can be for individual use or laminated and used time and time again. TERMS OF USEThis purch