Helping readers to make inferences is a tough task! One or two lessons just isn't enough to do the trick. Here are some resources to help you plan meaningful, ongoing instruction.
The Forest and the Trees: Helping Readers Identify Details in Texts and Tests
This book includes several chapters on making inferences.
Passages for making text-based inferences
Blog post from Reading Is Thinking about inferring with poetry
Character Traits and Emotions: This activity set includes stories, activities, and word lists to help students make inferences about character traits and emotions. $
Visualizing Powerpoint and Activities: Visualizing is a cornerstone of making inferences. Help readers to visualize with this set of stories and activities. $
Making Inferences with Transitional Readers: A set of texts to help young readers make inferences. $
Character Traits PowerPoint: An interactive presentation to introduce the idea of character traits to readers. $