Title: Challenging Minds: Thinking Skills and Enrichment Activities, Author: Lynne Kelly
Title: Brain Games!: Ready-to-Use Activities That Make Thinking Fun for Grades 6 - 12, Author: Jack Umstatter
Title: Differentiating Instruction With Menus: Math (Grades K-2), Author: Laurie E. Westphal
Title: Differentiating Instruction With Menus: Math (Grades 3-5), Author: Laurie E. Westphal
Title: The Critical Thinking Toolkit: Next-Level Strategies for Problem Solving, Reasoning & Success, Author: Vincent Calder