Teacher presentation materials. Unit: 2.9 Putting It All Together (Grade 2). 2.9 Putting It All Together Unit Goals Students consolidate and solidify their understanding of various concepts and skills related to major work of the grade. They also continue to work toward fluency goals of the grade. Section A Goals Fluently add and subtract within 20. Section B Goals Add and subtract within 1,000 using strategies based on place value and the properties of operations. Fluently add and subtract within 100. Section C Goals Represent and solve one- and two-step story problems within 100. Read More Lessons Resources Assessments Glossary Lessons Section A: Fluency Within 20 an