Do your students struggle with reasoning about numbers? Are they challenged to think about the reasonableness of their solutions? Are you looking for practical, high-quality tasks to engage students and ignite discussion? In this session, participants learn about dynamic, doable activities engage students in reasoning and discussion. A collection of ready-for-use resources will be provided and explored so that pursuit of number sense becomes a daily routine. These resources naturally complement each and every lesson in any K-2, 3-5, or 6-8 mathematics class regardless of the “core” program.