It's by no accident that the first SIOP feature has to do with writing clear objectives. After all, everything begins with a clear objective. As you will see, SIOP helps teachers make every objective count. In fact, it can be said that the first two features of SIOP (writing language and content objectives) set the tone for all other 28 features of Sheltered Instruction Observation Protocol.
SIOP Feature 1 Write content objectives clearly for students