Introduction: numeracy: and what is it, and why is it important? -- Part 1. Critical habits to ignite numerate thinking: Habit 1. Monitor and repair understanding -- Habit 2. Develop schema and activate background knowledge -- Habit 3. Identify similarities and differences, recognize patterns, organize and categorize ideas, investigate analogies and metaphors -- Habit 4. Represent mathematics nonlinguistically -- Habit 5. Predict, infer, recognize trends, use patterns, and generate and test hypotheses -- Habit 6. Question for understanding -- Habit 7. Summarize, determine importance, synthesize, use note taking and journaling -- Habit 8. Develop vocabulary -- Habit 9. Collaborate to learn -- Part 2. The essential components of a numeracy-based mathematics lesson -- Purpose and focus -- Ignition -- Bridge to the learning -- Gradual release in mathematics 00 Debrief: tying it all together -- Conclusion: our debrief -- Appendix A. Sample numeracy-based lesson plans -- Appendix B. Anticipation guide -- Appendix C. Clock reproducible for clock partners.