Everyone loves a secret code! This is designed as a fun task to assess student understanding. It is the last part of a bundle. The first document (Understanding the Meaning of the Equal Sign) gives ideas to help students understand the concept of the equal sign. There are also task cards (Equation Task Cards: True or False and What Number is Missing?) to practice this skill. Included in this document: •directions for students •large balance for students to use if needed •secret message decoder d